0.08加1点49加1点92加3点51怎么简便计算

2025-02-23 10:18:25
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:

〔0.08+1.92〕+〔1.49+3.51〕=7