苏教5 年级下册数学脱式计算试题？
30.8÷[14-(9.85+1.07)]
[60-(9.5+28.9)]÷0.18
2.881÷0.43-0.24×3.5
20x[(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)÷5
31.5×4÷(6+3)
0.64×25×7.8+2.2
2÷2.5+2.5÷2
36.25÷4.25×9.9
51801705×6
24÷2.42.5×0.8
(4121+2389)÷7
671×15-974
469×12+1492
19.4×6.1x2.3
5.67×0.2-0.62
18.1×0.92+3.93
0.4×0.7x0.25
0.78+5.436+1
4.8×5÷4+1÷4
9.9x5÷6+5÷6
10.3÷4x8÷9-1÷3
14.31x5÷6-5÷6
16.5÷9x18-14x2÷7
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