括号1/4+1/5-1/10括号÷1/20
1个回答
关注
展开全部
(1/4+1/5-1/10)÷1/20
咨询记录 · 回答于2023-02-09
括号1/4+1/5-1/10括号÷1/20
(1/4+1/5-1/10)÷1/20
(1/4+1/5-1/10)÷1/20=(5/20+4/20-2/20)x20=7/20x20=7
括号1/4+1/5-1/10括号÷1/20(1/4+1/5-1/10)÷1/20=(5/20+4/20-2/20)x20=7/20x20=7