0.48x3.2+7.8x0.48-0.48的简便运算

2025-05-15 07:39:25
推荐回答(2个)
回答1:

0.48x3.2+7.8x0.48-0.48
=0.48x(3.2+7.8-1)
=0.48x10
=4.8

回答2:

0.48×(3.2+7.8-1)=0.48×10=4.8