当前位置:首页>文档>小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级

小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级

  • 2026-03-09 16:48:40 2026-02-02 18:28:38

文档预览

小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级
小数四则混合运算专项练习276题(24页)_小学数学口算竖式脱式计算应用题一二三四五六年级上下册电_小学数学口算题库电子版(1-6)_笔算题(1-小升初)_笔算题适合5年级

文档信息

文档格式
doc
文档大小
0.094 MB
文档页数
22 页
上传时间
2026-02-02 18:28:38

文档内容

小数混合运算专项练习 276 题(有答案) (1) 0.11×1.8+8.2×0.11 (16) 5.4×[(1.3+2.15)÷0.2] (2) 2.34×99+2.34 (17) 8.4÷0.6+8.4÷0.4 (3) 5.4÷2.7×0.8 (18) 16.8×10.1 (4) 132×101 (19) 10.9﹣0.9÷0.2+1.8 (5) 6.25÷1.25÷0.8 (20) 1.25×3.2×0.25. (6) 2.5×16. (21) 1.36+4.85+2.64+6.15 (7) 6.33×101﹣6.33 (22) 98.5÷2.5÷4 (8) 1.56×1.7+0.44×1.7 (23) 5.4÷[2.5×(3.7﹣2.9)] (9) 1.8×[(3.41﹣2.9)÷0.03] (24) 0.8×(4﹣3.68)÷0.01 (10) 0.125×32×2.5. (25) 83.7﹣12.83﹣0.17 (11) 1.258×18.5﹣0.258×18.5 (26) 5.96+13×(3.2﹣3.12) (12) 8.48÷0.8×0.9 (27) 4.32÷2.4×1.7; (13) 1.25×2.4 (28) 16.2×4.5+3.8×4.5; (14) 5.85÷(1.3+0.5)×6. (29) 9.05﹣3.86﹣3.14; (15) 17.17﹣6.8﹣3.2﹣6.17 (30) 7.28+0.72÷0.9. 小数混合运算--- 1(31) 4.32+5.43+6.68 (46) 0.9+9.9+99.9+999.9. (32) 17.17﹣6.8﹣3.2 (47) 2.9×99+2.9 (33) 5.29×9+5.29 (48) 25×11.2×4 (34) 16.8×10.1 (49) 23.25﹣6.75﹣3.25. (35) 2.74×9.5+5×0.274 (50) 125×3.2×2.5 (36) 0.36+9.6÷3.2. (51) 3.6×10.1 (37) 3.75×25+6.25×25 (52) 5.8×2.7+0.58×73 (38) 25.46﹣8.23﹣1.76 (53) 3.6+6.4×1.8 (39) 2.9+7.1×10 (54) (1.48+3.02)÷(3.6×0.5) (40) 1.25×32×0.25. (55) (36.7﹣4.9)×101﹣31.8. (41) 15.68﹣(7.78﹣4.32)﹣2.32 (56) 6.33×101﹣6.33 (42) 0.25×3.2×1.25 (57) 35.6﹣5×1.73 (43) 9.99×1.01 (58) 1.6×55.4﹣55.4×0.6 (44) 4.63×1.4+46.3×0.86 (59) 17.68÷5.2+2.7×1.5. (45) 17.5÷0.8÷12.5 (60) 1.08×0.8÷0.27 小数混合运算--- 2(61) 102×0.45 (76) 4.52+0.61+1.39+6.48 (62) 22.78÷1.25÷0.8 (77) 4.27﹣(1.96﹣1.73) (63) 0.34×101﹣0.34. (78) (294.4﹣19.2×6)÷(6+8) (64) 0.125×32×2.5 (79) 12.5×0.76×0.4×8×2.5. (65) 0.8×6.3﹣0.8×3.8 (80) 4.98+8.02×2.5 (66) 504÷3.2×2.08 (81) 60.8﹣40.8÷2.5 (67) (20﹣0.8×9)×5.7 (82) 0.8×69.6×12.5 (68) 2.4×1.5+3.6÷1.5 (83) 4.98×99+4.9 (69) 7.38﹣5.14+3.62﹣2.86 (84) 6.48÷3.2÷2.5 (70) 0.12×1.8+8.2×0.12 (85) 1.2×7.6+7.6×6.8. (71) 5.4÷[0.51÷(1.2﹣1.03)] (86) (9.4﹣5.8)×2.07 (72) [(8.1﹣5.6)×0.9﹣1.05]÷0.04. (87) 12.54﹣4.56﹣3.44﹣1.54 (73) 10.8﹣0.8÷(0.35+0.05) (88) (9.36×5+9.36+9.36×2)×1.25 (74) 8×[1÷(2.3﹣2.25)] (89) 7.236÷0.18﹣14.3×0.02. (75) 2.64×9.9+0.264 (90) 9.6÷0.4×0.25 (91) 29.7÷(5.85÷0.65) 小数混合运算--- 3(92) 7.4×9.9 (108) 0.4×270×2. (93) 3.84﹣2.7×0.64 (109) (40+1.25)×8 (94) 8.68﹣8.68÷0.56×0.5 (110) (12.5﹣0.05)×8 (95) 4.7×4.7+4.7+4.3×4.7. (111) 2.6×8.5+8.5×7.4 (96) 2.72÷[(8.2﹣6.5)×0.5]; (112) 9.9×6.9﹣6.9×3.9 (97) 9.12+9.12×9﹣60.2; (113) 5.6×99+5.6 (98) 28.4÷0.4÷0.25; (114) 2.5×(1.9+1.9+1.9+1.9) (99) 27.36﹣27.36÷7.6. (115) 7.2÷1.25÷8. (100) 3.25×0.45+6.75×0.45 (116) 52.4﹣(15+0.6)÷1.6 (101) 31.5﹣24.5÷3.5 (117) 9.87×99+9.87 (102) 7.5×102 (118) 46.8÷0.9÷0.4 (103) 6.3+3.7×2.8. (119) 5.5×17.3+6.7×5.5. (104) 2.15+8.73+1.27+7.85 (120) 99×4.2+4.2 (105) 11.87﹣(8.2+1.87) (121) 0.25×1.25×3.2 (106) 5.42﹣3.87﹣1.13 (122) 6.4×14+15×6.4+6.4 (107) 4.38﹣1.56+0.62﹣0.44 小数混合运算--- 4(123) (1.3+1.3×0.125×8)÷(80﹣77.4) (138) 0.26+15.68+9.74+2.32 (124) 4×(25+2.5+0.25)÷111 (139) 13.26+9.55﹣3.26 (125) 6.25÷〔(17.2﹣3.6×4.5)÷0.32〕 (140) 6.1+3.9﹣6.1+3.9. (126) 28.4×99+28.4 (141) 31.7÷0.63(保留2位小数) (127) 0.94×2.5﹣0.45 (142) 2.4×1.5+3.6÷1.5 (143) 0.32×0.25+0.08÷4 (128) 4×0.8×12.5×2.5 (144) (9.6+1.48÷3.7)÷8 (129) 17.5÷0.25×17+13. (145) 5.8÷[4×(1.34﹣0.14)] (130) 10.1×87 (146) 5.4÷[0.51÷(1.2﹣1.03)]. (131) 2.3+3.19÷(22﹣19.8) (147) 21.35﹣3.25﹣16.75 (132) 1.25×7.2. (148) 33.02﹣(148.4﹣90.85)÷2.5 (133) 9.1﹣1.2÷6﹣6.24 (149) 32×2.5×0.125 (134) 7.3+12.8﹣3.8×2.3 (150) 18.1+(3﹣0.299÷0.23)×1. (135) (5.36+7.64)÷13×100 (151) 67﹣(2.98+0.67) (136) 7.575÷[(5.63﹣1.88)×0.2]. (152) 8×16﹣73.8×6 (137) 7.5﹣(5.5+1.24) (153) (45+14)÷73+710. 小数混合运算--- 5(154) 13.7×0.125×8 (170) 91÷2.6÷0.05= (155) 0.8×[13﹣(3.12+5.28)] (171) 6.3×3.7+6.3×6.3= (156) 102×0.56 (172) (3.7+1.7×0.4)÷2.5= (157) 1.53×1.7+0.47×1.7. (173) 7.28+3.2÷2.5= (158) 5.18+0.73+0.82 (174) 0.74+0.9×7.4= (159) 0.75×1.8÷1.5 (175) 7.8÷0.125÷0.8= (160) 12.5×7.1×0.8 (176) 37.5÷[0.3×(1.34﹣0.84)] (161) 6.12×99+6.12 (177) (2.5+27.75÷1.5)×1.6. (162) 8.6÷0.86+8×0.35 (178) 6.21﹣3.8+2.2 (163) 5.6×(18.5﹣8.5÷0.5) (179) 6.03+3.7+2.97 (164) 0.125×4.78×80 (180) 17.43﹣6.57﹣2.43 (165) 2.8×3.6+1.4×2.8 (181) 20.47﹣(1.47+6.8) (166) (0.4+40)×2.5 (182) 13.26+4.71+3.47+5.29 (167) 78.7﹣17.7×3.6 (183) 22.74+8.68﹣13.74. (168) 18÷[0.3×(8﹣6.5)] (184) 10÷0.2÷2.5 (169) 12.7+12.5+0.5. (185) 64×4.5+3.6×45 小数混合运算--- 6(186) 1.25×3.2×0.8 (201) 0.25×3.85×40 (187) 14.5×102 (202) 1.46×3.5+3.5×4.54. (203) 7×12.5×0.8 (188) 14.64+3.7×2.8 (204) 4.7×3.6+4.7×6.4 (189) 8.4÷0.21÷0.5. (205) 1.45×[(2.8+4.4)÷2.4]. (190) 0.125×9×8×0.3 (206) 4.2×(6.18﹣3.03)+6.3 (207) 15.02﹣6.8﹣(1.02+1.2 ) (191) 4.62÷5÷0.66 (208) 0.6×[(5﹣0.68)÷1.2] (192) 5.78×2.3+5.78+5.78×6.7 (209) 2.7÷4+6.3×0.25 (193) 7.75×[20÷(3.24﹣3.04)]. (210) (6.02+2.8 )÷0.4﹣2.05 (194) 1.25×0.5×8×0.2 (211) 3.08×3.5+6.2×3.08+3.08×0.3. (195) 0.97×9+0.97 (212) 2.3+3.91÷(22﹣19.7) (196) 5.4÷[3×﹙3.8﹣2.9﹚]. (213) 21.6÷[64.8﹣(48.6﹣2.7×2)]. (197) 0.4×(3.2﹣0.8)÷0.15 (214) 93.6×3.6+1.4×3.6 (198) 5.7+1.9×0.2÷7.6 (215) 0.25×0.8×0.125×0.4 (199) 32.4×6.3+32.4×3.7 (216) 2.7×1.5﹣2.7 (200) 18.2﹣10.6×(0.9﹣0.75) 小数混合运算--- 7(217) 9.08+5.45+11.92+4.55 (233) 17.68÷5.2+2.7×1.5 (218) 1.25×30×1.2×0.8. (234) 35.6﹣5×1.73 (219) 0.6+0.94﹣0.208 (235) (1.1﹣0.78)×(2.7﹣1.95) (220) 4.85×1.25×8 (236) 1.3×0.75×4 (221) (64﹣22.4÷1.4)×1.2 (237) 1.08÷1.8×1.2 (222) 18.3﹣6.25﹣3.75 (238) 50.4×1.9﹣1.8 (223) 2.8×3.6+1.4×2.8 (239) 0.82×0.25+1.18×0.25. (240) 8.5×([ 2.36+2.42)÷0.25] (224) 6.6÷〔14.5﹣(1.7+1.8)〕 (241) 3.9÷([ 1.3+0.6)×6﹣3.6] (225) 0.25×9.87×4 (226) 36.7×2.1+10.8 (242) 4.25×6.3+3.7×4.25 (227) 8.45﹣0.45×0.1 (243) 205×0.99 (228) 0.73×102 (244) 25.6﹣7.49﹣2.51 (229) 7.8×5.6+2.3×4.4 (245) [2.5﹣(6.8﹣4.9)]×0.8. (230) 76.3×27﹣76.3×17. (246) 102×4.5 (231) 7.05×23.7+7.05×76.3. (247) 3.4÷([ 1.2+0.5)×5] (232) [(7.6﹣5.2)÷0.4+2.54]×32. (248) 8×(20﹣1.25) 小数混合运算--- 8(249) 0.654+10.9×6.5 (263) 13.25﹣0.8+1.75﹣1.2; (250) 22.7×1.25×0.8 (264) 2.5×99+2.5; (265) 10.36+4.8﹣16.5÷5; (251) 3.91×2.8+6.09×2.8. (266) 12.5×2.4. (252) 6.23+3.09= (267) 38.78﹣19.59+41.22﹣30.41 (253) 132.4﹣59.8= (268) 2.74×4.86+4.86×6.26+4.86 (254) 6.62×0.84= (269) 0.08×(12.5+2.5)×0.1 (255) 2.07÷0.023= (270) 25.92+(10.1﹣14.5×0.2) (256) [20.026﹣(8.6+9.7)×0.92]÷30.19. (271) 0.487×12.5÷48.7 (257) 0.125×32×2.5 (272) (8.16+2.09)÷[(10.3﹣9.3)÷0.4]. (258) 0.8×6.3﹣0.8×3.8 (273) 1.56×1.7+0.44×1.7 (259) 50.4÷3.2×2.08 (274) 12.5×(7.2﹣1.9)×0.8 (260) 204÷(3.4×0.5) (275) 0.25×2010+20.10×75 (261) (43.26+2.34)÷7.5 (276) 30.8÷[(6.34﹣4.59)×4]. (262) (20﹣0.8×9)×5.7. 小数混合运算--- 9参考答案: =(0.125×8)×(4×2.5), (1)0.11×1.8+8.2×0.11, =1×10, =0.11×(1.8+8.2), =10 =0.11×10, (11)1.258×18.5﹣0.258×18.5, =1.1; =18.5×(1.258﹣0.258), (2)2.34×99+2.34, =18.5×1, =2.34×(99+1), =18.5; =2.34×100, (12)8.48÷0.8×0.9, =234; =10.6×0.9, (3)5.4÷2.7×0.8, =9.54; =2×0.8, (13)1.25×2.4, =1.6; =1.25×8×0.3, (4)132×101, =10×0.3, =132×(100+1), =3; =132×100+132, (14)5.85÷(1.3+0.5)×6, =13332; =5.85÷1.8×6, (5)6.25÷1.25÷0.8, =3.25×6, =6.25÷(1.25×0.8), =19.5 =6.25÷1, (15)17.17﹣6.8﹣3.2﹣6.17 =6.25; =(17.17﹣6.17)﹣(6.8+3.2), (6)2.5×16, =11﹣10, =(2.5×4)×4, =1; =40 (16)5.4×[(1.3+2.15)÷0.2] (7)6.33×101﹣6.33, =5.4×[3.45÷0.2], =6.33×(101﹣1), =5.4×17.25, =6.33×100, =93.15; =633; (17)8.4÷0.6+8.4÷0.4 (8)1.56×1.7+0.44×1.7, =14+21 =1.7×(1.56+0.44), =35; =1.7×2, (18)16.8×10.1 =3.4; =16.8×10+16.8×0.1, (9)1.8×[(3.41﹣2.9)÷0.03], =168+1.68, =1.8×[0.51÷0.03], =169.68; =1.8×17, (19)10.9﹣0.9÷0.2+1.8 =30.6; =10.9﹣4.5+1.8, (10)0.125×32×2.5, =8.2; 小数混合运算--- 10(20)1.25×3.2×0.25 =7.17; =(1.25×0.8)×(4×0.25), (33)5.29×9+5.29, =1×1, =5.29×(9+1), =1 =5.29×10, (21)1.36+4.85+2.64+6.15, =52.9; =(1.36+2.64)+(4.85+6.15), (34)16.8×10.1, =4+11, =16.8×10+16.8×0.1, =15; =168+1.68, (22)98.5÷2.5÷4, =169.68; =98.5÷(2.5×4), (35)2.74×9.5+5×0.274, =98.5÷10, =2.74×9.5+0.5×2.74, =9.85; =2.74×(9.5+0.5), (23)5.4÷[2.5×(3.7﹣2.9)], =2.74×10, =5.4÷[2.5×0.8], =27.4; =5.4÷2, (36)0.36+9.6÷3.2, =2.7; =0.36+3, (24)0.8×(4﹣3.68)÷0.01, =3.36 =0.8×0.32÷0.01, (37)3.75×25+6.25×25, =0.256÷0.01, =25×(3.75+6.25), =25.6; =25×10, (25)83.7﹣12.83﹣0.17, =250; =83.7﹣(12.83+0.17), (38)25.46﹣8.23﹣1.76, =83.7﹣13, =25.46﹣(8.23+1.76), =70.7; =25.46﹣9.99 (26)5.96+13×(3.2﹣3.12), =15.45; =5.96+13×0.08, (39)2.9+7.1×10, =5.96+1.04, =2.9+71, =7. =73.9; (27)4.32÷2.4×1.7, (40)1.25×32×0.25 =1.8×1.7, =(1.25×8)×(4×0.25), =3.06; =10×1, (28)16.2×4.5+3.8×4.5, =1. =(16.2+3.8)×4.5, (41)15.68﹣(7.78﹣4.32)﹣2.32, =20×4.5, =15.68﹣7.78+4.32﹣2.32, =90; =(15.68+4.32)﹣(7.78+2.32), (29)9.05﹣3.86﹣3.14, =20﹣10, =9.05﹣(3.86+3.14), =10; =9.05﹣7, (42)0.25×3.2×1.25, =2.05; =0.25×4×0.8×1.25, (30)7.28+0.72÷0.9, =(0.25×4)×(0.8×1.25), =7.28+0.8, =1×1, =8.08 =1; (31)4.32+5.43+6.68, (43)9.99×1.01, =4.32+6.68+5.43, =(10﹣0.01)×1.01, =11+5.43, =10.1﹣0.0101, =16.43; =10.0899; (32)17.17﹣6.8﹣3.2, (44)4.63×1.4+46.3×0.86, =17.17﹣(6.8+3.2), =46.3×0.14+46.3×0.86, =17.17﹣10, =46.3×(0.14+0.86), 小数混合运算--- 11=46.3×1, (56)6.33×101﹣6.33 =46.3; =6.33×(101﹣1), (45)17.5÷0.8÷12.5, =6.33×100, =17.5÷(0.8×12.5), =633; =17.5÷1, (57)35.6﹣5×1.73, =17.5; =35.6﹣8.65, (46)0.9+9.9+99.9+999.9, =26.95; =1﹣0.1+10﹣0.1+100﹣0.1+1000﹣0.1, (58)1.6×55.4﹣55.4×0.6, =(1+10+100+1000)﹣(0.1+0.1+0.1+0.1), =55.4×(1.6﹣0.6), =1111﹣0.4, =55.4×1, =1110.6 =55.4; (47)2.9×99+2.9 (59)17.68÷5.2+2.7×1.5, =(99+1)×2.9, =3.4+4.05, =100×2.9, =7.45 =290; (60)1.08×0.8÷0.27 (48)25×11.2×4 =1.08÷0.27×0.8, =25×4×11.2, =4×0.8, =100×11.2, =3.2; =1120; (61)102×0.45 (49)23.25﹣6.75﹣3.25 =(100+2)×0.45, =23.25﹣(6.75+3.25), =100×0.45+2×0.45, =23.25﹣10, =45+0.9, =13.25 =45.9; (50)125×3.2×2.5, (62)22.78÷1.25÷0.8 =125×8×0.4×2.5, =22.78÷(1.25×0.8), =(125×8)×(0.4×2.5), =22.78÷1, =1000×1, =22.78; =1000; (63)0.34×101﹣0.34 (51)3.6×10.1, =(101﹣1)×0.34, =3.6×(10+0.1), =100×0.34, =3.6×10+3.6×0.1, =34 =36+0.36, (64)0.125×32×2.5, =36.36; =(0.125×8)×(4×2.5), (52)5.8×2.7+0.58×73, =1×10, =5.8×2.7+5.8×7.3, =10; =5.8×(2.7+7.3), (65)0.8×6.3﹣0.8×3.8, =5.8×10, =0.8×(6.3﹣3.8), =58; =0.8×2.5, (53)3.6+6.4×1.8, =2; =3.6+11.52, (66)504÷3.2×2.08, =15.12; =157.5×2.08, (54)(1.48+3.02)÷(3.6×0.5), =327.6; =4.5÷1.8, (67)(20﹣0.8×9)×5.7, =2.5; =(20﹣7.2)×5.7, (55)(36.7﹣4.9)×101﹣31.8, =12.8×5.7, =31.8×101﹣31.8, =72.96 =31.8×(101﹣1), (68)2.4×1.5+3.6÷1.5, =31.8×100, =3.6+2.4, =3180 =6; 小数混合运算--- 12(69)7.38﹣5.14+3.62﹣2.86, (81)60.8﹣40.8÷2.5, =(7.38+3.62)﹣(5.14+2.86), =60.8﹣16.32, =11﹣8, =44.48; =3; (82)0.8×69.6×12.5, (70)0.12×1.8+8.2×0.12, =(0.8×12.5)×69.6, =0.12×(1.8+8.2), =10×69.6, =0.12×10, =696; =1.2; (83)4.98×99+4.9, (71)5.4÷[0.51÷(1.2﹣1.03)], =493.02+4.9, =5.4÷[0.51÷0.17], =497.92; =5.4÷3, (84)6.48÷3.2÷2.5, =1.8; =6.48÷(3.2×2.5), (72)[(8.1﹣5.6)×0.9﹣1.05]÷0.04, =6.48÷8, =[2.5×0.9﹣1.05]÷0.04, =0.81; =[2.25﹣1.05]÷0.04, (85)1.2×7.6+7.6×6.8, =1.2÷0.04, =7.6×(1.2+6.8), =30 =7.6×8, (73)10.8﹣0.8÷(0.35+0.05), =60.8 =10.8﹣0.8÷0.4, (86)(9.4﹣5.8)×2.07, =10.8﹣2, =3.6×2.07, =8.8; =7.452; (74)8×[1÷(2.3﹣2.25)], (87)12.54﹣4.56﹣3.44﹣1.54, =8×[1÷0.05], =(12.54﹣1.54)﹣(4.56+3.44), =8×20, =11﹣8, =160; =3; (75)2.64×9.9+0.264, (88)(9.36×5+9.36+9.36×2)×1.25, =0.264×99+0.264, =9.36×(5+2+1)×1.25, =0.264×(99+1), =9.36×8×1.25, =0.264×100, =9.36×(8×1.25), =26.4; =93.6; (76)4.52+0.61+1.39+6.48 (89)7.236÷0.18﹣14.3×0.02, =(4.52+6.48)+(0.61+1.39), =40.2﹣0.286, =11+2, =39.914. =13; (90)9.6÷0.4×0.25, (77)4.27﹣(1.96﹣1.73) =24×0.25, =4.27﹣0.23, =6; =4.04; (91)29.7÷(5.85÷0.65), (78)(294.4﹣19.2×6)÷(6+8) =29.7÷9, =(294.4﹣115.2)÷14, =3.3; =179.2÷14, (92)7.4×9.9, =12.8; =7.4×(10﹣0.1), (79)12.5×0.76×0.4×8×2.5 =7.4×10﹣7.4×0.1, =(12.5×8)×(0.4×2.5)×0.76, =74﹣0.74, =100×1×0.76, =73.26; =76. (93)3.84﹣2.7×0.64, (80)4.98+8.02×2.5, =3.84﹣1.728, =4.98+20.25, =2.112; =25.03; (94)8.68﹣8.68÷0.56×0.5, 小数混合运算--- 13=8.68﹣15.5×0.5, =5.42﹣5, =8.68﹣7.75, =0.42; =0.93; (107)4.38﹣1.56+0.62﹣0.44, (95)4.7×4.7+4.7+4.3×4.7, =(4.38+0.62)﹣(1.56+0.44), =4.7×(4.7+4.3+1), =5﹣2, =4.7×10, =3; =47 (108)0.4×270×2.5, (96)2.72÷[(8.2﹣6.5)×0.5] =(0.4×2.5)×270, =2.72÷[1.7×0.5], =270; =2.72÷0.85, (109)(40+1.25)×8, =3.2; =40×8+1.25×8, (97)9.12+9.12×9﹣60.2 =320+10, =(1+9)×9.12﹣60.2, =330; =10×9.12﹣60.2, (110)(12.5﹣0.05)×8, =91.2﹣60.2, =12.5×8﹣0.05×8, =31; =100﹣0.4, (98)28.4÷0.4÷0.25 =99.6; =28.4÷(0.4×0.25), (111)2.6×8.5+8.5×7.4, =28.4÷0.1, =(2.6+7.4)×8.5, =284; =85; (99)27.36﹣27.36÷7.6 (112)9.9×6.9﹣6.9×3.9, =27.6﹣3.6, =(9.9﹣3.9)×6.9, =24 =6×6.9, =41.4; (113)5.6×99+5.6, (100)3.25×0.45+6.75×0.45, =5.6×(99+1), =0.45×(3.25+6.75), =560; =0.45×10, (114)2.5×(1.9+1.9+1.9+1.9), =4.5; =2.5×4×1.9, (101)31.5﹣24.5÷3.5, =10×1.9, =31.5﹣7, =19; =24.5; (115)7.2÷1.25÷8, (102)7.5×102, =7.2÷8÷1.25, =7.5×(100+2), =0.9÷1.25, =7.5×100+7.5×2, =0.72. =750+15, (116)52.4﹣(15+0.6)÷1.6, =765; =52.4﹣15.6÷1.6, (103)6.3+3.7×2.8, =52.4﹣9.75, =6.3+10.36, =42.65; =16.66. (117)9.87×99+9.87, (104)2.15+8.73+1.27+7.85 =9.87×(99+1), =(2.15+7.85)+(8.73+1.27), =987; =10+10, (118)46.8÷0.9÷0.4, =20; =46.8÷(0.9×0.4), (105)11.87﹣(8.2+1.87), =46.8÷0.36, =11.87﹣1.87﹣8.2, =130; =10﹣8.2, (119)5.5×17.3+6.7×5.5, =1.8; =5.5×(17.3+6.7), (106)5.42﹣3.87﹣1.13, =5.5×24, 小数混合运算--- 14=132 =2.3+1.45, (120)99×4.2+4.2 =3.75; =4.2×(99+1), (132)1.25×7.2, =4.2×100, =1.25×8×0.9, =420; =10×0.9, (121)0.25×1.25×3.2 =9 =0.25×1.25×(4×0.8), (133)9.1﹣1.2÷6﹣6.24 =0.25×4×(1.25×0.8), =9.1﹣0.2﹣6.24, =1×1, =8.9﹣6.24, =1; =2.66; (122)6.4×14+15×6.4+6.4 (134)7.3+12.8﹣3.8×2.3 =6.4×(14+15+1), =20.1﹣8.74, =6.4×30, =11.36; =192; (135)(5.36+7.64)÷13×100 (123)(1.3+1.3×0.125×8)÷(80﹣77.4) =13÷13×100, =(1.3+1.3×1)÷2.6, =100; =2.6÷2.6, (136)7.575÷[(5.63﹣1.88)×0.2] =1; =7.575÷[3.75×0.2], (124)4×(25+2.5+0.25)÷111 =7.575÷0.75, =(4×25+4×2.5+4×0.25)÷111, =10.1 =(100+10+1)÷111, (137)7.5﹣(5.5+1.24), =111÷111, =7.5﹣5.5﹣1.24, =1; =2﹣1.24, (125)6.25÷[(17.2﹣3.6×4.5)÷0.32] =0.76; =6.25÷[(17.2﹣16.2)÷0.32], =6.25÷(1÷0.32), (138)0.26+15.68+9.74+2.32, =6.25÷3.125, =(0.26+9.74)+(15.68+2.32), =2 =10+18, (126)28.4×99+28.4, =28; =28.4×(99+1), (139)13.26+9.55﹣3.26, =28.4×100, =13.26﹣3.26+9.55, =2840. =10+9.55, (127)0.94×2.5﹣0.45, =19.55; =2.35﹣0.45, (140)6.1+3.9﹣6.1+3.9, =1.9. =6.1﹣6.1+(3.9+3.9), (128)4×0.8×12.5×2.5, =0+7.8, =(4×2.5)×(0.8×12.5), =7.8 =10×10, (141)31.7÷0.63≈50.32; =100. (142)2.4×1.5+3.6÷1.5 (129)17.5÷0.25×17+13, =3.6+2.4, =70×17+13, =6; =1190+13, (143)0.32×0.25+0.08÷4 =1203 =0.08+0.08÷4, (130)10.1×87, =0.08+0.02, =(10+0.1)×87, =0.08+0.02, =87+8.7, =0.1; =95.7; (144)(9.6+1.48÷3.7)÷8 (131)2.3+3.19÷(22﹣19.8), =(9.6+0.4)÷8, =2.3+3.19÷2.2, =10÷8, 小数混合运算--- 15=1.25; =100×0.56+2×0.56, (145)5.8÷[4×(1.34﹣0.14)] =56+1.12, =5.8÷[4×1.2], =57.12; =5.8÷4.8, (157)1.53×1.7+0.47×1.7, ≈1.21; =(1.53+0.47)×1.7, (146)5.4÷[0.51÷(1.2﹣1.03)] =2×1.7, =5.4÷[0.51÷0.17], =3.4 =5.4÷3, (158)5.18+0.73+0.82,. =1.8 =(5.18+0.82)+0.73, (147)21.35﹣3.25﹣16.75, =6+0.73, =21.35﹣(3.25+16.75), =6.73; =21.35﹣20, (159)0.75×1.8÷1.5, =1.35; =1.35÷1.5, (148)33.02﹣(148.4﹣90.85)÷2.5, =0.9; =33.02﹣57.55÷2.5, (160)12.5×7.1×0.8, =33.02﹣23.02, =(12.5×0.8)×7.1, =10; =10×7.1, (149)32×2.5×0.125, =71; =4×8×2.5×0.125, (160)6.12×99+6.12, =(4×2.5)×(8×0.125), =6.12×(99+1), =10×1, =6.12×100, =10; =612; (150)18.1+(3﹣0.299÷0.23)×1, (162)8.6÷0.86+8×0.35, =18.1+(3﹣1.3)×1, =10+2.8, =18.1+1.7×1, =12.8; =18.1+1.7, (163)5.6×(18.5﹣8.5÷0.5), =19.8 =5.6×(18.5﹣17), (151)67﹣(2.98+0.67), =5.6×1.5, =67﹣3.65, =8.4 =63.35; (164)0.125×4.78×80, (152)8×16﹣73.8×6, =0.125×4.78×8×10, =128+442.8, =(0.125×8)×(4.78×10), =570.8; =1×47.8, (153)(45+14)÷73+710, =47.8; =59÷73+710, (165)2.8×3.6+1.4×2.8, =2.8×(3.6+1.4), = +710, =2.8×5, =14; =710 (166)(0.4+40)×2.5, (154)13.7×0.125×8, =0.4×2.5+40×2.5, =13.7×(0.125×8), =1+100, =13.7×1, =101; =13.7; (167)78.7﹣17.7×3.6, (155)0.8×[13﹣(3.12+5.28)], =78.7﹣63.72, =0.8×[13﹣8.4], =14.98; =0.8×4.6, (168)18÷[0.3×(8﹣6.5)], =3.68; =18÷[0.3×1.5], (156)102×0.56, =18÷0.45, =(100+2)×0.56, =40; 小数混合运算--- 16=12.2; (169)12.7+12.5+0.5, (182)13.26+4.71+3.47+5.29, =12.7+(12.5+0.5), =(13.26+3.47)+(4.71+5.29), =12.7+13, =16.73+10, =25.7 =26.73; (170)91÷2.6÷0.05, (183)22.74+8.68﹣13.74, =35÷0.05, =(22.74﹣13.74)+8.68, =700; =9+8.68, (171)6.3×3.7+6.3×6.3, =17.68 =6.3×(3.7+6.3), (184)10÷0.2÷2.5, =6.3×10, =10÷(0.2×2.5), =63; =10÷0.5, (172)(3.7+1.7×0.4)÷2.5, =20; =(3.7+0.68)÷2.5, (185)64×4.5+3.6×45, =4.38÷2.5, =6.4×45+3.6×45, =1.752; =(6.4+3.6)×45, (173)7.28+3.2÷2.5, =10×45, =7.28+1.28, =450; =8.56; (186)1.25×3.2×0.8, (174)0.74+0.9×7.4, =(1.25×0.8)×3.2, =(1+9)×0.74, =1×3.2, =10×0.74, =3.2; =7.4; (187)14.5×102, (175)7.8÷0.125÷0.8, =14.5×(100+2), =7.8÷(0.125×0.8), =14.5×100+14.5×2, =7.8÷0.1, =1450+29, =78 =1479; (176)37.5÷[0.3×(1.34﹣0.84)], (188)14.64+3.7×2.8, =37.5÷[0.3×0.5], =14.64+10.36, =37.5÷0.15, =25; =250; (189)8.4÷0.21÷0.5, (177)(2.5+27.75÷1.5)×1.6, =40÷0.5, =(2.5+18.5)×1.6, =80 =21×1.6, (190)0.125×9×8×0.3, =33.6 =(0.125×8)×(9×8), (178)6.21﹣3.8+2.2, =1×72, =2.41+2.2, =72; =4.61; (191)4.62÷5÷0.66, (179)6.03+3.7+2.97, =4.62÷(5×0.66), =(6.03+2.97)+3.7, =4.62÷3.3, =9+3.7, =1.4; =12.7; (192)5.78×2.3+5.78+5.78×6.7, (180)17.43﹣6.57﹣2.43, =5.78×(2.3+1+6.7), =17.43﹣(6.57+2.43), =5.78×10, =17.43﹣9, =57.8; =8.43; (193)7.75×[20÷(3.24﹣3.04)], (181)20.47﹣(1.47+6.8), =7.75×[20÷0.2], =20.47﹣1.47﹣6.8, =7.75×100, =19﹣6.8, =775 小数混合运算--- 17(194)1.25×0.5×8×0.2, =4.2×3.15+6.3, =(1.25×8)×(0.5×0.2), =13.23+6.3, =10×0.1, =19.53; =1; (207)15.02﹣6.8﹣(1.02+1.2 ), (195)0.97×9+0.97, =15.02﹣6.8﹣1.02﹣1.2, =0.97×(9+1), =(15.02﹣1.02)﹣(6.8+1.2), =0.97×10, =14﹣8, =9.7; =6; (196)5.4÷[3×﹙3.8﹣2.9﹚], (208)0.6×[(5﹣0.68)÷1.2], =5.4÷[3×0.9], =0.6×[4.32÷1.2], =5.4÷2.7, =0.6×3.6, =2 =2.16; (197)0.4×(3.2﹣0.8)÷0.15, (209)2.7÷4+6.3×0.25, =0.4×2.4÷0.15, =2.7×0.25+6.3×0.25, =0.96÷0.15, =(2.7+6.3)×0.25, =6.4; =9×0.25, (198)5.7+1.9×0.2÷7.6, =2.25; =5.7+0.38÷7.6, (210)(6.02+2.8 )÷0.4﹣2.05, =5.7+0.05, =8.82÷0.4﹣2.05, =5.75; =22.05﹣2.05, (199)32.4×6.3+32.4×3.7, =20; =32.4×(6.3+3.7), (211)3.08×3.5+6.2×3.08+3.08×0.3, =32.4×10, =(3.5+6.2+0.3)×3.08, =324; =10×3.08, (200)18.2﹣10.6×(0.9﹣0.75), =30.8 =18.2﹣10.6×0.15, (212)2.3+3.91÷(22﹣19.7), =18.2﹣1.59, =2.3+3.91÷2.3, =16.61; =2.3+1.7, (201)0.25×3.85×40, =4; =0.25×40×3.85, (213)21.6÷[64.8﹣(48.6﹣2.7×2)], =10×3.85, =21.6÷[64.8﹣(48.6﹣5.4)], =38.5; =21.6÷[64.8﹣43.2], (202)1.46×3.5+3.5×4.54, =21.6÷21.6, =3.5×(1.46+4.54), =1 =3.5×6, (214)93.6×3.6+1.4×3.6, =21 =(93.6+1.4)×3.6, (203)7×12.5×0.8, =95×3.6, =7×(12.5×0.8), =(100﹣5)×3.6, =7×10, =100×3.6﹣5×3.6, =70; =360﹣18, (204)4.7×3.6+4.7×6.4, =342; =4.7×(3.6+6.4), (215)0.25×0.8×0.125×0.4, =4.7×10, =(0.25×0.4)×(0.8×0.125), =47; =0.1×0.1, (205)1.45×[(2.8+4.4)÷2.4], =0.01; =1.45×[7.2÷2.4], =1.45×3, (216)2.7×1.5﹣2.7, =4.35 =2.7×(1.5﹣1), (206)4.2×(6.18﹣3.03)+6.3, =2.7×0.5, 小数混合运算--- 18=1.35; =53.8; (217)9.08+5.45+11.92+4.55, (230)76.3×27﹣76.3×17 =(9.08+11.92)+(5.45+4.55), =76.3×(27﹣17), =21+10, =76.3×10, =31; =763. (218)1.25×30×1.2×0.8, (231)7.05×23.7+7.05×76.3 =(1.25×0.8)×(30×1.2), =(23.7+76.3)×7.05, =1×36, =100×7.05, =36 =705 (219)0.6+0.94﹣0.208, (232)[(7.6﹣5.2)÷0.4+2.54]×32, =1.54﹣0.208, =[2.4÷0.4+2.54]×32, =1.332; =[6+2.54]×32, (220)4.85×1.25×8, =8.54×32, =4.85×(1.25×8), =273.28 =4.85×10, (233)17.68÷5.2+2.7×1.5, =48.5; =3.4+4.05, (221)(64﹣22.4÷1.4)×1.2, =7.45; =(64﹣16)×1.2, (234)35.6﹣5×1.73, =48×1.2, =35.6﹣8.65, =57.6; =26.95; (222)18.3﹣6.25﹣3.75, (235)(1.1﹣0.78)×(2.7﹣1.95), =18.3﹣(6.25+3.75), =0.32×0.75, =18.3﹣10, =0.24 =8.3; (236)1.3×0.75×4, (223)2.8×3.6+1.4×2.8, =1.3×3×0.25×4, =2.8×(3.6+1.4), =1.3×3×(0.25×4), =2.8×5, =3.9×1, =14; =3.9; (224)6.6÷[14.5﹣(1.7+1.8)], (237)1.08÷1.8×1.2, =6.6÷[14.5﹣3.5], =0.6×1.2, =6.6÷11, =0.72; =0.6 (238)50.4×1.9﹣1.8, (225)0.25×9.87×4, =95.76﹣1.8, =0.25×4×9.87, =93.96; =1×9.87, (239)0.82×0.25+1.18×0.25, =9.87; =(0.82+1.18)×0.25, (226)7×2.1+10.8, =2×0.25, =77.07+10.8, =0.5 =87.87; (240)8.5×[(2.36+2.42)÷0.25], (227)8.45﹣0.45×0.1, =8.5×[4.78÷0.25], =8.45﹣0.045, =8.5×19.12, =8.405; =162.52; (228)0.73×102, =0.73×(100+2), (241)3.9÷[(1.3+0.6)×6﹣3.6], =0.73×100+0.73×2, =3.9÷[1.3×0.6+0.6×6﹣3.6], =73+1.46, =3.9÷[0.78+3.6﹣3.6], =74.46; =3.9÷0.78, (229)7.8×5.6+2.3×4.4, =5; =43.68+10.12, (242)4.25×6.3+3.7×4.25, 小数混合运算--- 19=4.25×(6.3+3.7), (254)6.62×0.84=5.5608; =4.25×10, 6.62 =42.5; (243)205×0.99, =205×(1﹣0.01), ; =205×1﹣205×0.01, =205﹣2.05, =202.95; (255)2.07÷0.023=90; (244)25.6﹣7.49﹣2.51, =25.6﹣(7.49+2.51), =25.6﹣10, =15.6; (245)[2.5﹣(6.8﹣4.9)]×0.8, =[2.5﹣1.9]×0.8, (256)[20.026﹣(8.6+9.7)×0.92]÷30.19, =0.6×0.8, =[20.026﹣18.3×0.92]÷30.19, =0.48 =[20.026﹣16.836]÷30.19, (246)102×4.5, =3.19÷30.19, =(100+2)×4.5, = . =100×4.5+2×4.5, =450+9, =459; (257)0.125×32×2.5, (247)3.4÷[(1.2+0.5)×5], =0.125×8×4×2.5, =3.4÷[1.7×5], =(0.125×8)×(4×2.5), =3.4÷8.5, =1×10, =0.4; =10; (248)8×(20﹣1.25), (258)0.8×6.3﹣0.8×3.8, =8×20﹣8×1.25, =(6.3﹣3.8)×0.8, =160﹣10, =2.5×0.8, =150; =2; (249)0.654+10.9×6.5, (259)50.4÷3.2×2.08, =0.654+70.85, =15.75×2.08, =71.504; =32.76; (250)22.7×1.25×0.8, (260)204÷(3.4×0.5), =22.7×(1.25×0.8), =204÷1.7, =22.7×1, =120; =22.7; (261)(43.26+2.34)÷7.5, (251)3.91×2.8+6.09×2.8, =45.6÷7.5, =(3.91+6.09)×2.8, =6.08; =10×2.8, (262)(20﹣0.8×9)×5.7, =28 =(20﹣7.2)×5.7, (252)6.23+3.09=9.32, =12.8×5.7, 6.23 =72.96 (263)13.25﹣0.8+1.75﹣1.2, ; =(13.25+1.75)﹣(1.2+0.8), =15﹣2, (253)132.4﹣59.8=72.6; =13; 132.4 (264)2.5×99+2.5, =2.5×(99+1), ; =2.5×100, 小数混合运算--- 20=250; =0.487÷48.7×12.5, (265)10.36+4.8﹣16.5÷5, =0.01×12.5, =10.36+4.8﹣3.3, =0.125; =15.16﹣3.3, (272)(8.16+2.09)÷[(10.3﹣9.3)÷0.4], =11.86; =10.25÷[1÷0.4], (266)12.5×2.4, =10.25÷2.5, =12.5×(8×0.3), =4.1 =(12.5×8)×0.3, (273)1.56×1.7+0.44×1.7, =100×0.3, =(1.56+0.44)×1.7, =30 =2×1.7, (267)38.78﹣19.59+41.22﹣30.41, =3.4; =38.78+41.22﹣19.59﹣30.41, (274)12.5×(7.2﹣1.9)×0.8, =(38.78+41.22)﹣(19.59+30.41), =12.5×5.3×0.8, =80﹣50, =12.5×0.8×5.3, =30; =10×5.3, (268)2.74×4.86+4.86×6.26+4.86, =53; =(2.74+6.26+1)×4.86, (275)0.25×2010+20.10×75, =10×4.86, =0.25×2010+2010×0.75, =48.6; =2010×(0.25+0.75), (269)0.08×(12.5+2.5)×0.1, =2010×1, =(0.08×12.5+0.08×2.5)×0.1, =2010; =(1+0.2)×0.1, (276)30.8÷[(6.34﹣4.59)×4], =1.2×0.1, =30.8÷[1.75×4], =0.12; =30.8÷7, (270)25.92+(10.1﹣14.5×0.2), =4.4. =25.92+(10.1﹣2.9), =25.92+7.2, =33.12; (271)0.487×12.5÷48.7, 小数混合运算--- 21小数混合运算--- 22