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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
(8+0.8)×1.25 0.25×4.4-0.25×0.4 2.36×101
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
21
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
6.3+4.82+3.7-0.82 307×10.1 0.45×18
132-43.7-56.3 0. 32×12.5×2.5 5.6×1.25
7.6×27+7.6×174-7.6 72÷1.25÷8 270÷4.5
(7.7+15.4)÷7 9.9×34 1.5×1.2+8.8×1.5
4.7×8.3+5.2×8.3+0.83 7.12×4-1.12×4 450÷2.5÷2
22
12.5×8.8 (125-1.25)×0.8 3.5×0.4+3.5×0.6
39÷(1.3×5) 2.2÷4+0.6÷4 4.83
42÷3.5 26.7-0.5×5-7.5 48.4
7.3+2.7-7.3+2.7
23
÷5+2.17÷5 +2.78+51.6-0.48
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