计算:1⼀x+1加上1⼀x-1 计算:a+1⼀a-1减去a^2+a⼀a^2-1 计算:(1-1⼀a-2)除以3-a⼀2a-4

2025-06-21 16:14:04
推荐回答(2个)
回答1:

(1-1/a-2)/3-a/2a-4
= (-1-1/a)/3-1/2-4
= -1/3-1/3a-1/2-4
= -4又5/6-1/3a

回答2:

SAD