(-9/1/3)-|-4/5/6|+|0-5/1/6|-2/3=?

问题描述:

(-9/1/3)-|-4/5/6|+|0-5/1/6|-2/3=?

(-9/1/3)-|-4/5/6|+|0-5/1/6|-2/3
=-9/1/3-4/5/6+5/1/6-2/3
=-(9/1/3+2/3)+(-4/5/6+5/1/6)
=-10+1/3
=-9/2/3