0.25×81.2+18.8÷4怎么简算?

2025-04-06 08:51:34
推荐回答(1个)
回答(1):

0.25×81.2+18.8÷4
=0.25x81.2+18.8x0.25
=0.25x(81.2+18.8)
=0.25x100
=25