0.08+1.49+1.92+3.51的简便计算方法?

2025-04-03 21:37:28
推荐回答(2个)
回答1:

0.08+1.49+1.92+3.51
=(0.08+1.92)+(1.49+3.51)
=2+5
=7

回答2:

原式=(0.08+1.92)+(1.49+3.51)
=2+5
=7