(6.125-2.75)-(1.25-0.875)简便

2025-06-21 08:21:58
推荐回答(4个)
回答1:

(6.125-2.75)-(1.25-0.875)=(6.125+0.875)-(1.25+2.75)=7-4=3

回答2:

你可以拆括号,变成: 6.125-2.75-1.25+0.875 再移项:(6.125+0.875)-(2.75+1.25)=7-4=3

回答3:

(6.125-2.75)-(1.25-0.875)=(6.125+0.875)-(2.75+1.25)=7-4=3

回答4:

6.125+0.875-(2.75+1.25)
=7-4
=3