简便方法计算:13⼀25-(1-12⼀25)

2024-12-15 11:45:40
推荐回答(2个)
回答1:

13/25-(1-12/25)
= 13/25-1+12/25
= 13/25+12/25-1
= 1-1
= 0

回答2:

把括号打开