5.2x0.08,加5.3x0.08-0.5x0.08,简便运算等于多少?

2025-05-17 17:28:41
推荐回答(1个)
回答1:

用乘法分配律简算
要原式=0.08×(5.2+5.3-0.5)
=0.08×10
=0.8