括号1⼀4-括号5⼀8-1⼀2括号括号除以1⼀24

括号1/4-括号5/8-1/2括号括号除以1/24
2024-11-15 20:32:35
推荐回答(1个)
回答1:

[1/4-(5/8-1/2)]÷1/24
=(1/4-5/8+1/2)x24
=1/4x24-5/8x24+1/2x24
=6-15+12
=3