文档内容
2025-2026 学年三年级数学下册人教版·新教材
第二单元计算专项 15：多位数与一位数的混合运算
日期： 用时： 评价：
一、乘除混合运算
(1)72×5÷6 (2)84×3÷7 (3)96×4÷8 (4)63×6÷9
(5)175×4÷5 (6)108×3÷9 (7)120×5÷6 (8)192×7÷8
二、连除
(1)588÷3÷7 (2)648÷4÷6 (3)720÷5÷8 (4)504÷6÷7
(5)672÷7÷8 (6)540÷5÷9 (7)756÷6÷7 (8)630÷7÷9三、除减
(1)87÷3-26 (2)96÷4-20 (3)105÷5-18 (4)126÷6-15
(5)144÷8-12 (6)162÷9-10 (7)180÷6-25 (8)216÷8-20
四、除加
(1)320+208÷2 (2)450+315÷3 (3)560+424÷4 (4)630+504÷6
(5)720+612÷9 (6)810+729÷9 (7)900+816÷8 (8)1000+924÷12五、带小括号的除法
(1)(387+373)÷4 (2)(456+344)÷5 (3)(466+278)÷6 (4)(218+188)÷7
(5)(655 - 95)÷8 (6)(559 -184)÷5 (7)(382-76)÷6 (8)(893-
65)÷9
六、带小括号的乘除
(1)296÷(2×4) (2)360÷(3×5) (3)432÷(4×6) (4)504÷(6×7)
(5)576÷(8×9) (6)648÷(9×8) (7)720÷(10×6) (8)810÷(15×3)参考答案
一、乘除混合运算
(1)72×5÷6
= 360÷6
= 60
(2)84×3÷7
= 252÷7
= 36
(3)96×4÷8
= 384÷8
= 48
(4)63×6÷9
= 378÷9
= 42
(5)175×4÷5
= 700÷5
= 140
(6)108×3÷9
= 324÷9
= 36
(7)120×5÷6
= 600÷6
= 100
(8)192×7÷8
= 1344÷8
= 168
二、连除
(1)588÷3÷7
= 196÷7
= 28
(2)648÷4÷6= 162÷6
= 27
(3)720÷5÷8
= 144÷8
= 18
(4)504÷6÷7
= 84÷7
= 12
(5)672÷7÷8
= 96÷8
= 12
(6)540÷5÷9
= 108÷9
= 12
(7)756÷6÷7
= 126÷7
= 18
(8)630÷7÷9
= 90÷9
= 10
三、除减
(1)87÷3-26
= 29-26
= 3
(2)96÷4-20
= 24-20
= 4
(3)105÷5-18
= 21-18
= 3
(4)126÷6-15= 21-15
= 6
(5)144÷8-12
= 18-12
= 6
(6)162÷9-10
= 18-10
= 8
(7)180÷6-25
= 30-25
= 5
(8)216÷8-20
= 27-20
= 7
四、除加
(1)320+208÷2
= 320+104
= 424
(2)450+315÷3
= 450+105
= 555
(3)560+424÷4
= 560+106
= 666
(4)630+504÷6
= 630+84
= 714
(5)720+612÷9
= 720+68
= 788
(6)810+729÷9= 810+81
= 891
(7)900+816÷8
= 900+102
= 1002
(8)1000+924÷12
= 1000+77
= 1077
五、带小括号的除法
(1)(387+373)÷4
= 760÷4
= 190
(2)(456+344)÷5
= 800÷5
= 160
(3)(466+278)÷6
= 744÷6
= 124
(4)(218+188)÷7
= 406÷7
= 58
(5)(655 - 95)÷8
= 560÷8
= 70
(6)(559 -184)÷5
= 375÷5
= 75
(7)(382-76)÷6
= 306÷6
= 51
(8)(893-65)÷9= 828÷9
= 92
六、带小括号的乘除
(1)296÷(2×4)
= 296÷8
= 37
(2)360÷(3×5)
= 360÷15
= 24
(3)432÷(4×6)
= 432÷24
= 18
(4)504÷(6×7)
= 504÷42
= 12
(5)576÷(8×9)
= 576÷72
= 8
(6)648÷(9×8)
= 648÷72
= 9
(7)720÷(10×6)
= 720÷60
= 12
(8)810÷(15×3)
= 810÷45
= 18
