7.12-4.86-2.14简便运算怎么写?

也就是,连续两个减。怎么写呢?
2025-06-20 08:34:59
推荐回答(2个)
回答1:

7.12-(4.86+2.14)=7.12-7=0.12

回答2:

7.12-4.86-2.14
=7.12-(4.86+2.14)
=7.12-7
=0.12