0.069×370 2.48×5.5 4.57×0.8 7.8×9.9 0.25×36 19.5×3.6-3.6×9.5 0.5×(3.9×4)×0.25×2 7.8×9.9 0.25×36 19.5×3.6-3.6×9.5 3.25×9.04
0.5×(3.9×4)×0.25×2 570×16 5.7×160 0.057×1600 57×1600 57×16 5.7×16 0.57×160000 5.7×1600 0.26×7 3.105×18 63.08×25 11.4×19 3.8×5 0.59×4 4.3×28 0.08×125 24×0.5 25×0.125 4.87×100 28×1.5 0.8×25 7.4×100 0.7×5 0.9×11 0.96×0 .5 0.02×500 12.5×8 0.3×10 1.4×3 1.12×2 0.39×10 4.1×6 1.9×8 2.3×5 4.3×5 5.6×2.9 3.77×1.8 0.02×96 5.22×0.3 9.99×0.02 4.67×0.9 5×2.44
1.666×6.1 9.432×0.002 5.6×6.5 4.88×2.9 0.7×0.9 0.04×0.2 0.8×0.05
3.1×0.3 0.16×0.5 1.7×0.03 1.8×0.04 2.1×4 0.12×6 56.7×38 0.37×0.94 41.23×29.2 0.78×6.1 0.67×6.2 2.5×1.3×4 5.6×12.5
7.6×0.8＋0.2×7.6 0.85×199 0.25×8.5×4
1.28×8.6＋0.72×8.6 12.5×0.96×0.8 10.4－9.6×0.35
0.8×（4.3×1.25） 3.12＋3.12×99 28.6×101－28.6
（4.23＋6.17）×0.8 0.86×15.7－0.86×14.7 2.4×102
14－7.32－2.68 2.64＋8.67＋7.36＋11.33 2.31×1.2×0.5
（2.5－0.25）×0.4 9.16×1.5－0.5×9.16 3.6－3.6×0.5
4.5÷1.8 4.2÷3.5 930÷0.6÷5
63.4÷2.5÷0.4 4.9÷1.4 3.9÷（1.3×5）
（7.7＋1.54）÷0.7 2.5×2.4 2.7÷45
0.35×1.25×2×0.8 32.4×0.9＋0.1×32.4 15÷0.25
70÷28 15÷（0.15×0.4） 4.25÷2.5×9.9＋0.17
4.2÷3.5 320÷1.25÷8 18.76×9.9＋18.76
3.52÷2.5÷0.4 4.78÷0.2＋3.44 0.49÷1.4 1.25×2.5×32 3.6－0.6×2
3.65×10.1 3.6－3.6×0.8 15.2÷0.25÷4
5.6÷3.5 9.6÷0.8÷0.4 4.2×99＋4.2
0.89×100.1 146.5－(23＋46.5) 17.8÷(1.78×4)
5.83×2＋4.27 (45.9－32.7)÷8÷0.125 9.7×99＋9.7
4.36×12.5×8 15.6×13.1－15.6－15.6×2.1 0.65×101
27.5×3.7－7.5×3.7 8.54÷2.5÷0.4 3.83×4.56＋3.83×5.44
85.44÷16 42.84÷7 101.7÷9 67.5÷15 230.4÷6 21.24÷36 0.736÷23 43.5÷12 35.21÷7 39.6÷24
0.06÷0.12 78.6÷11 2.5÷0.7 5.63÷7.8 10.1÷3.3 0.819÷17
10.75÷12.5 5.1÷25 324.57÷7 7.525÷0.38 11.625÷9.3