Question

小学四年级数学作业：简便运算50道题

小学四年级暑假作业，难度要适宜哦

Answer 1

30.8÷[14－(9.85＋1.07)]
[60－(9.5＋枯早28.9)]÷0.18
2.881÷0.43－0.24×3.5
20×[(2.44－1.8)÷0.4＋0.15]
28-(3.4+1.25×2.4)
2.55×7.1+2.45×7.1
777×9+1111×3
0.8×[15.5-(3.21+5.79)]
（31.8+3.2×4）枣早÷5
31.5×4÷(6+3)
0.64×25×7.8+2.2
2÷2.5+2.5÷2
194－64.8÷1.8×0.9
36.72÷4.25×9.9
5180－705×6
24÷2.4－2.5×0.8
(4121+2389)÷7
671×15-974
0.8×[7.9-(2+5)]
469×12+1492
405×(3213-3189)
3.416÷（0.016×35）
0.8×[(10－没岩雀6.76)÷1.2]
10x1.3

0.32x100

24+0.24

3.2x0.6

15－0.15

1.9x0.02

0.4x0.5

1.25x8

2.5x4

0.24x4

200x0.16

0.6x0.1

Answer 2

29x4x5 95x6x5 55x4x15 25x5x8 540÷6÷9
98x4x5 25x4+125x8 (72+28)x4 54-18-22 36x5x8
11x2x5 37x4x5 360÷6÷6
我找了好多搭橡就这题难度应该中滑刚刚合知培旁适

Answer 3

找本练习册看看

Answer 4

上网查查

Answer 5

jiandam