(+0.25)+(—13\4)-(-23\4),这道题怎样简算

问题描述:

(+0.25)+(—13\4)-(-23\4),这道题怎样简算

(+0.25)+(-13/4)-(-23/4)
=1/4+(-3-1/4)-(-5-3/4)
=1/4-3-1/4+5+3/4
=5-3-1/4+1/4+3/4
=2+3/4
=11/4