3.7×0.63 63×0.063的简便计算

2025-04-05 11:30:24
推荐回答(1个)
回答1:

3.7×0.63+63×0.063
=3.7×0.63+6.3×0.63
=(3.7+6.3)×0.63
=10×0.63
=6.3