54.9×0.386.8×254.05+37.386.1×3.6+3.6×3.954.9×0.386.8×254.05+37.386.1×3.6+3.6×3.91.25×0.7×0.82.96×40的简便计算,能简就简.

Question

54.9×0.38 6.8×25 4.05+37.38 6.1×3.6+3.6×3.9
54.9×0.38
6.8×25
4.05+37.38
6.1×3.6+3.6×3.9
1.25×0.7×0.8
2.96×40
的简便计算,能简就简.

Answer 1

第五个1.25×0.8×0.7=0.7