(-1)-[-2-(-4)+|-2分之1|+(-3分之1)]

2024-12-20 06:07:17
推荐回答(1个)
回答1:

(-1)-[-2-(-4)+|-2分之1|+(-3分之1)]
=-1-(2+1/2-1/3)
=-3-1/6
=-3又1/6