括号2分之一加上三分之一括号,除以五分之3减18分之十七

括号2分之一加上三分之一括号,除以五分之3减18分之十七
2025-06-20 17:10:44
推荐回答(2个)
回答1:

(1/2+1/3)÷(3/5)-17/18
=(5/6)×(5/3)-17/18
=25/18-17/18
=8/18
=4/9

回答2:

(1/2+1/3)÷3/5-17/18
=5/6÷3/5-17/18
=1/2-17/18
=-8/18