250×0点037 0点25×16 2点25×2点七简便计算?

2025-04-07 21:18:38
推荐回答(1个)
回答1:

简便计算
250x0.037+0.25x16+2.5x2.7
=25x0.37+25x0.16+25x0.27
=25x(0.37+0.16+0.27)
=25x0.8
=20