2.7÷4 6.3×0.25简便方式怎么做

2025-05-15 08:53:53
推荐回答(1个)
回答1:

2.7÷4+6.3×0.25
=2.7×0.25+6.3×0.25
=(2.7+6.3)×0.25
=9×0.25
=2.25