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6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文

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6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文
6年级分数乘除法专项训练(1)_小学全网线上同款资料_49号文件5-6数学语文

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六年级上册数学暑假计算题预习 分数乘除法(专项训练) 1.能简算的要简算。 ① ② 1 3 2 8 13 ( + − ) × 12 6 ÷ ÷ 6 4 3 13 2 ③ ④ 8 1 6 2 1 1 ÷ 7 + × 5 ÷ [( + ) × ] 13 7 13 3 5 13 ⑤ ×99 ⑥ 4 1 1 3 1 ( − ) × ÷ 25 2 6 5 5 2.脱式计算。 ( ) ( ) 1 2 5 4 4 3 1 1 × × ÷ 99 + × 16 7 15 4 4 99 ( ) ( ) 3 4 8 12 9 9 5 11 ÷ × 12 − × − 15 17 34 10 21 14 3.脱式计算① ÷ - ② - × 1 2 2 3 3 1 2 3 5 4 4 6 ( ) ③ ÷ ÷9 ④ ×[1 ÷ - ] 12 2 7 7 1 13 15 10 10 5 ( ) ( ) ⑤ ÷[ + × ] ⑥[4- - ]× 4 1 2 4 3 3 4 5 2 3 7 4 8 29 4.计算下面各题。(能简算的要简算) ( ) ( )( ) 1 3× ÷ ÷4 2 - × ÷ 1 3 4 1 4 2 3 4 5 2 5 3 ( )( ) ( ) 3 + ×24× 4 128× 1 1 1 17 6 8 7 126 5.脱式计算。(能简算的要简算) ( )( ) ( ) 1 - ÷ - 3 5 1 1 4 8 2 3( )( ) ( ) 2 100-9 × - 1 1 7 13 ( ) ( ) 3 20× - × 4 3 7 5 4 15 ( ) ( ) ( ) 4 2.9× 3.8- ÷ + 4 3 5 5 8 8 6.计算下面各题。(能简算的要简算) ( ) ( ) 1 2 2 5 7 5 ( + ) × 9 × 17 (2 + ) × 51 18 5 14 ( ) ( ) 3 4 5 1 2 1 4 2 2 1 ( − × ) ÷ ÷ [( − ) × ] 6 4 3 6 9 3 9 27.脱式计算。(能简算的要简算) ( ) ( )( )( ) 1 × + ÷ 2 - ÷ × 23 9 27 10 8 1 7 2 5 10 5 9 9 3 18 3 ( )( ) ( ) [ ( )] 3 - ×63- 4 × + - 1 1 2 8 3 7 1 7 9 3 15 4 16 4 8.脱式计算。(能简算的要简算) ( ) ( ) ( ) 1 ÷ - + 2 × + × 4 2 2 1 1 1 3 1 5 3 5 3 4 4 4 4 ( )( ) ( ) 3 + - ×48 4 ÷ + × 5 7 2 1 4 1 1 24 12 3 3 9 3 4 9.脱式计算。(能简算的要简算) ( )( ) ( ) ( )( ) 1 + × + 2 + - ÷ 7 3 5 1 1 11 3 1 8 16 9 3 3 12 4 24( ) ( ) ( ) 3 ÷ - × 4 1÷[ + ÷ ] 5 3 2 3 3 1 5 6 4 9 4 4 3 8 10.脱式计算。(能简算的要简算) ①36× × ② × + × 11 7 35 4 35 11 6 44 9 15 9 15 ( ) ③50× - ④ × + ÷ + × 7 4 24 11 61 8 13 11 5 3 5 8 10 5 10 8 ( ) ( ) ⑤ - ÷ ⑥ ×29+ × 27 19 4 14 58 5 4 5 5 9 9 4 11.仔细计算。 ( ) ( ) ( ) 1 ÷ ÷ 2 ÷ + 3 1 14 23 3 2 5 4 15 25 4 5( )( ) ( ) 3 - + ×24 4 × + ÷ 2 1 1 4 2 1 3 3 2 6 5 3 5 4 12.下面各题怎样简便就怎样算. ( ) ( ) 1 + ÷4 2 2.5× ×0.4× 5 2 3 4 7 7 8 9 ( )( ﹣ ) ( ) ( ﹣ ﹣ ) 3 ÷ 4 ÷ 3 2 5 1 7 7 8 3 8 24 18 15 15 13.计算下面各题,怎样简便怎样算。 ( )( - ) ( ) + 1 × 2 25× 11÷13 3 1 5 1 5 4 3 13 ( ) 3 2- 6 9 2 ÷ − 13 26 3 14.按运算顺序计算下面各题。( ) ( - ) ( ) -( ) 1 ÷[8× ] 2 [1 + ]÷ 4 1 2 1 3 1 5 2 5 4 8 4 15.计算下列各题,怎样简便就怎样计算. ( ) ( )( ﹣ ) 1 ÷15× 2 1 ÷ × 5 3 3 6 10 2 7 10 7 13 ( ) ( ﹣ ) ( ) 3 68× 4 ÷ + × 3 11 5 9 7 4 4 34 12 4 12 9 16.计算下面各题,能简算的要简算. ( ) ( ) ( ) 1 ÷7+ × 2 ÷ + ÷ 8 1 6 11 5 3 5 13 7 13 13 8 4 8 ( ) ( ) ( ) ﹣( ) 3 ÷7× × 4 +2 35 4 3 19 3 1 36 15 5 20 5 817.脱式计算(前 3 题用简便方法计算) ① ② 4 3 4 5 8 6 × + ÷ ÷ 9 − ÷ 9 15 5 15 2 11 11 ③ ④ 1 1 7 3 ( − ) × 15 × 17 35 ÷ ( ÷ ) 15 17 5 10 ⑤ ⑥ 1 2 7 7 1 1 30 ÷ [( + ) × ] × × 39 ÷ 4 7 20 13 8 16 18.下面各题怎样简便就怎样算. ① × - ÷ ②1- ÷ - 7 5 3 8 5 25 3 2 8 2 5 8 28 10 ( ) ( ) ③ + × ÷ ④ ÷[ + ×2] 2 4 5 20 4 3 1 3 15 6 21 5 5 2( ) ⑤ ×58+42÷8 ⑥36× + - 1 2 1 1 8 3 6 4 19.计算(能简算的要简算). ( )( ﹣ ) ( ) 1 ×18 2 ÷ ÷ 5 1 4 16 5 6 3 9 15 8 ( ) ( ) ﹣ ( ) 3 2.6× +2.4÷ 4 1 ÷ + 7 5 7 3 1 5 7 9 4 8 20.计算下面各题,能简便的要简便计算。 ① ÷ × ②3.18- - 5 3 3 5 7 8 20 10 12 12 ( ) ③ × + ÷1.5 ④2.8÷ +12.2× 5 7 4 5 6 6 10 5 6 5( ) ⑤[0.7- - ]÷ 3 3 11 4 5 10 21.计算下面各题. ( )( ) ( ) ﹣( ) 1 ×15×17 2 [1 ]× 1 2 1 1 24 + − 15 17 2 3 25 ( ) 3 17 29 8 17 × + × 25 37 25 37答案解析部分 1 .【答案】① ( + - ) ×12 1 3 2 = ×12+ ×12- ×126 4 3 1 3 2 =2+9-8 6 4 3 =3 ②6÷ ÷ 8 13 =6× 1×3 2 13 2 = 8 13 3 ③2 ÷7+ × 8 1 6 = 1×3 + ×7 13 8 1 1 6 ( ) =13 7+7 13× 8 6 1 = ×13 13 7 14 1 =13 7 2 ( ) ④135÷[ + × ] 2 1 1 =5÷[ × 3 ]5 13 13 1 =5÷ 10 13 1 =50 10⑤ ×99 4 ( ) = 2×5 100-1 4 =25×100- 4 4 =1256- 25 4 = 25 21 ⑥15( - ) × ÷ 25 1 1 3 1 = × ×256 5 5 1 3 =1 3 5 2 .【答案】( 1 ) × × 5 4 4 = × × 16 7 15 5 4 4 =16×15 7 1 4 =12 7 1 ( ) 221 ÷99+ × 3 1 1 = × 4+ × 4 99 3 1 1 1 ( ) =4 ×99 4+99 1 3 1 =99×1 4 4 1 99= 1 ( ) 939 ÷ × 8 12 9 = × 15× 17 34 8 17 9 =15 12 34 1 ( ) 145 12- × - 9 5 11 =12- - 10 21 14 3 11 ( ) =12-14 14+ 3 11 =12-1 14 14 =11 3 .【答案】① ÷ - 1 2 2 = × - 2 3 5 1 3 2 =2 2 5 7 ②20 - × 3 3 1 ( ) = ×4 41-6 3 1 =4× 6 3 5 =4 6 5 ③8 ÷ ÷9 12 2 13 15= × × 12 15 1 =13 2 9 10 ( ) ④13 ×[1÷ - ] 7 7 1 = 1×0[1÷ ] 10 5 7 1 =10×2 2 7 =10 7 ( ) ⑤5 ÷[ + × ] 4 1 2 4 = ÷5[ × ]2 3 7 4 7 4 =5÷ 6 7 4 2 =5 3 6 ( ) ⑥5 [4- - ]× 3 3 4 =[4- ]× 4 8 29 3 4 = ×8 29 29 4 = 8 29 1 4 . 2 【答案】( 1 ) 1 3 4 1 1 ( 2 ) 3 × ÷ ÷ 4 = 1 × × = 3 4 3 4 3 2 1 4 2 4 2 3 2 3 3 − × ÷ = − × = × = 5 2 5 3 5 5 2 5 2 5( ) 3 1 1 1 1 1 1 1 4 3 ( ) + × 24 × = × 24 × + × 24 × = + = 1 4 6 8 7 6 7 8 7 7 7 17 17 17 17 128 × = 126 + 2 × = 126 × + 2 × = 126 126 126 126 17 17 1 5 .7 +【答 63 案=】1(7 6 1 3 )( - ) ÷ ( - ) 3 5 1 1 = ÷ 4 8 2 3 1 1 =8 6 3 ( )( ) ( ) 42 100-9 × - 1 1 =91× 7 13 6 =6 91 ( ) ( ) 3 20× - × 4 3 7 =20× × 5 4 15 1 7 =1× 20 15 7 = 15 7 ( ) ( ) ( ) 145 2.9× 3.8- ÷ + 4 3 5 =2.9×3×1 5 8 8 =8.7 6 .【答案】( 1 )=6+42.5 2 5 2 5 =48.5 + × 9 × 17 = × 9 × 17 + × 9 × 17 51 18 51 18 ( ) 2 7 5 10 7 5 17 5 17 ( ) 2 + × = + × = × = 3 5 14 5 5 14 5 1=44 14 5 1 2 1 5 1 4 ( ) − × ÷ = − × 6 = × 6 4 6 4 3 6 6 6 6 4 2 2 1 4 6 2 1 4 4 1 4 ÷ − × = ÷ − × = ÷ × = ÷ 9 3 9 2 9 9 9 2 9 9 2 9 2 4 9 97 .=【 9 答×案 2 】=(2 1 ) × + ÷ 23 9 27 10 = × + × 5 10 5 9 23 9 27 9 ( ) = 5 1+0 5 ×10 23 27 9 =10×5 5 10 9 =9 10 ( )( ) ( ) 2 - ÷ × 8 1 7 2 = ÷ 9 3 18 3 5 7 =9 27 15 ( )( ) 73 - ×63- 1 1 2 = ×63-7 9 3 2 2 =263- 3 2 3= 4 ( ) ( ) 34 ×[ + - ] 8 3 7 1 = ×[1+5 4] 16 4 8 3 3 =15× 4 16 8 15 =15 16 1 8 . 2 【答案】( 1 ) ÷ - ( + ) 4 2 2 1 = - - 5 3 5 3 6 2 1 =5-5 3 4 1 =5 3 7 ( ) 125 × + × 1 1 3 1 ( ) = +4 4×4 4 1 3 1 =1×4 4 4 1 = 4 1 ( )( ) 43 + - ×48 5 7 2 = ×48+24 ×1428-3 ×48 5 7 2 =10+28-32 24 12 3 =6( ) 4 ÷ + × 1 4 1 1 = × +3 ×9 3 4 1 9 1 1 ( ) =3×4 3+4 1 9 1 =3× 4 4 1 5 =3 2 5 9 . 6 【答案】( 1 )( + ) × ( + ) 7 3 5 1 = × 8 16 9 3 17 8 =16 9 17 ( )( ) 128 + - ÷ 1 11 3 1 ( ) = + 3- 12×424 24 1 11 3 = ×324+12 4×24- ×24 1 11 3 =8+22-18 3 12 4 =12 ( ) 3 ÷ - × 5 3 2 3 = - 6 4 9 4 10 1 = 9 6 17 ( ) ( ) 148 1÷[ + ÷ ] 3 1 5 4 3 8=1÷[ × ] 13 8 =1÷ 12 5 26 = 15 15 102 . 6 【答案】①36× × =6×11× =3× = ; ② × + 11 7 7 7 21 35 4 × = ( 6 ) 44= =44 ; ③2 502× ( -9 ) =1550× 35 11 35 4 11 35 35 7 4 ( 9 15 ) 9 ×=50×15=+ 1 ; 5 ④9 ××1 9 + ÷ 5+ 3 × 21 20 1 10 24 11 61 8 13 =15 − 15 15= 3 + =5 ; ⑤8 ( 10- 5 ) ÷10= 11 264 305 143 528 448 61 27 19 4 135 8 40 =+ 80 += 80 ; ⑥80 ( 80 ×529+ 4 ) × 5 5 20 − 76 4 59 5 59 14 58 2=0 (÷ 5 20 × 4 ) 16 = 9= . 9 5 406 58 5 464 5 580 411 .【 9 答案+】 9 ( 1 )× 4 ÷9 ×÷4 9 3 1 14 = 5 4 15 3 4 15 =5 × 1 × 14 18 ( ) ( ) 72 ÷ + = ÷ = × = 23 3 2 23 23 23 20 4 ( )( ) - - 3 25 - 4 + 5 ×242=5 ×220425 ×2234+5 ×24=16 12+4=8 2 1 1 2 1 1 ( ) 4 ×3 +2 ÷6 = × 3 + 2× = 6 = 4 2 1 3 4 2 1 4 8 4 4 12 .【 5 答案】 3 ( 15 ) 4+ 5 ÷4 3 5 3 15 + 15 5 5 2 7 7= + 5 1 = 7 14 11 ( ) 2142.5× ×0.4× 3 4 =( ) ( ) 2.5×0.48 × 9× 3 4 = 1× 8 9 1 = 6 1 ( )( ﹣ ) 36 ÷ 2 5 1 =( ﹣ ) 3 8×24 24 2 5 = ﹣ ×324 8 ×24 2 5 = ﹣ 16 15 3 8 = 1 ( ) ( ﹣ ﹣ ) 4 ÷ 3 7 7 8 = ﹣( ) 1÷8[3 15+ 15 ] 7 7 8 = ﹣ 18 ÷[3 1] 15 15 7 = 18 ÷2 7 = 18 7 13 . 3 【 6 答案】( 1 )( - ) × 3 1 5 5 4 3= × - × 3 5 1 5 =15- 3 4 3 5 = 12 7 ( ) 122 25× +11÷13 1 =25× +1113× 1 1 ( ) = 251+311 ×13 1 =36× 13 1 = 13 36 ( ) 133 2- ÷ - 6 9 2 =2- - 13 26 3 4 2 ( ) =2-3 3 + 4 2 =2-2 3 3 =0 14 .【答案】( 1 ) ÷[8× ( - ) ] 4 1 2 = ÷[8× ] 5 2 5 4 1 =5÷ 10 4 4 =1 5 5( ) ( ) 2 [1- + ]÷ 1 3 1 =[1- ]÷ 4 8 4 5 1 = ÷8 4 3 1 =8 4 3 152 .【答案】( 1 ) ÷15× 5 3 = × 2 7 1 3 = 6 7 1 ( )( ﹣ ) 214 1 ÷ × 3 6 10 =( ﹣ ) 1 10× 7 13 7 10 = × 20 13 13 10 = 20 13 1 ( ) ( ﹣ ) 32 68× 3 11 = ﹣ 68× 684× 34 3 11 = ﹣ 51 22 4 34 = 29 ( ) 4 ÷ + × 5 9 7 4 = 1×2 +4 1×2 9 5 4 7 4 12 9 12 9= ( ) × + 4 5 7 = 9×1 = 12 12 4 4 16 . 9 【答 9 案】( 1 ) ÷7+ × 8 1 6 = × + × 13 7 13 8 1 1 6 =( ) 13 +7 7 ×13 8 6 1 = 1× 13 13 7 1 = 7 1 ( ) ( ) 27 ÷ + ÷ 11 5 3 5 = 1÷3 ÷8 4 8 11 11 5 = 13 ÷ 8 8 8 5 = 13 8 64 ( ) ( ) 365 ÷7× × 35 4 3 = 3÷67× 15 5 35 4 = 36 × 25 5 4 = 36 25 1 ( ) ﹣( ) 445 +2 19 3 1 20 5 8= ﹣ 2 19 29 =﹣ 201 40 31 17 .【答 40 案】① = × + × = × ( + ) 4 3 4 5 4 3 4 2 4 3 2 = ×1= ② 15 × 5 + 15 ÷=2 ×15- 5 ×15= 5× ( 15 - 5 ) 5 4 4 8 6 8 1 6 1 1 8 6 =1×5 =15③11 ÷ 9 − 11 ÷ 9 11 9=11×195×917- 11×1115×17=17-1 1 2 2 1 1 1 1 5=92④11 99 ( 15 − 17 =)3×5÷ (15 ×× 17) =1355÷ =35×17 = ⑤ 7 3 7 10 14 3 105 35 ÷ ( 5 =÷30 1 ÷ 0 [) × ]=5303÷ =30×3 =1601⑥4 14 30 ÷ 1 2 7 15 7 3 16 7 1 [( 4 + 7 =) ×× 20 ×]39×162=8 ( 20 ×39 ) 1×6 ( ×136 ) =21×21=342 × 8 × 1 7 1 7 1 3 18 9.÷【 1 答 6 案 13 】 8① × ﹣ 13 ÷ 8 7 5 3 8 = ﹣ × 2× 8 2 5 7 5 3 5 =( ﹣ ) 2 8 2 × 8 7 3 5 = 2× 2 2 8 5 = 8 5 ﹣ ﹣ ②14 ÷ 5 25 3 = ﹣ ﹣ 1 8 28 10 7 3 = ﹣( ) 1 10 +10 7 3 10 10= ﹣ 1 1 = 0 ( ) ③ + × ÷ 2 4 5 20 =( ) 3 + 15 ÷ 6 21 2 2 20 = ×3 9 21 8 20 = 9 21 14 ( ) ④ 15÷[ + ×2] 4 3 1 = 5 ÷[ 5 ×2]2 4 11 = 5 ÷ 10 4 11 = 5 15 4 ⑤ 11×58+42÷8 1 =( ) 8 58+42 × 1 = 100× 8 1 = 12.5 8 ( ﹣ ) ⑥36× + 2 1 1 = ﹣ 36× 336×6 346× 2 1 1 = ﹣ 24+6 9 + 3 6 4 = 2119 .【答案】( 1 )( ﹣ ) ×18 5 1 = ﹣ ×18 ×18 6 3 5 1 = ﹣ 15 6 6 3 = 9 ( ) 2 ÷ ÷ 4 16 5 = 9× 15 8 5 8 = 12 5 2 ( ) 33 2.6× +2.4÷ 7 5 = 2.6× +52.4× 7 7 7 =( ) 2.6+52.4 × 5 7 = 5× 5 7 = 7 5 ( ) ﹣ ( ) 4 1 ÷ + 7 3 1 = ﹣ 1 ÷9 4 8 7 7 = ﹣ 1 9 8 8 = 9 1 20 . 9 【答案】① ÷ × 5 3 3 8 20 10= × × 5 20 3 =8 3 10 5 ②4 3.18- - 5 7 ( ) =3.18- 12 +12 5 7 =3.18-1 12 12 =2.18 ( ) ③ × + ÷1.5 5 7 4 ( ) = ×6 1+0 5 ÷ 5 7 8 3 =6× ×10 10 2 5 15 2 =6 10 3 5 ④6 8÷ +12.2× 5 6 =8× +612.2× 5 6 6 ( ) = 25.8+12.25 × 6 =15× 5 6 =18 5 ( ) ⑤[0.7- - ]÷ 3 3 11 ( ) =[ - -4 5 ]÷10 7 15 12 11 10 20 20 10=[ - ]÷ 7 3 11 ( ) = 10 2-0 10× 14 3 10 = ×20 20 11 11 10 =20 11 1 212 .【答案】( 1 )( ) ×15×17 1 2 = + ×15×17+ ×1155×1717 1 2 = 17+30 15 17 = 47 ( ) ﹣( ) 2 [1 ]× 1 1 24 = ﹣ − [1 ]× 2 3 25 1 24 = × 6 25 5 24 = 6 25 4 ( ) 35 17 29 8 17 = × + × 2×5 37+ 25 × 37 29 17 8 17 =( ) 25 +37 25× 37 29 8 17 = 2×5 25 37 37 17 = 25 37 17 25