1.2x0.78+0.78x8.8怎么简便计算?

2025-04-15 13:24:47
推荐回答(2个)
回答1:

1.2*0.78+0.78*8.8
=0.78*(1.2+8.8)
=0.78*10
=7.8
希望我的回答可以帮助到你

回答2:

根据题意可得:
1.2*0.78+0.78*8.8
=0.78*(1.2+8.8)
=0.78*10
=7.8