(-0.125)+(+5)+(-7)+(+1\8)+(+2)=?

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(-0.125)+(+5)+(-7)+(+1\8)+(+2)=?(-0.125)+(+5)+(-7)+(+1\8)+(+2)=?(-0.125)+(+5)+(-7)+(+1\8)+(+2)=?原式=-

(-0.125)+(+5)+(-7)+(+1\8)+(+2)=?
(-0.125)+(+5)+(-7)+(+1\8)+(+2)=?

(-0.125)+(+5)+(-7)+(+1\8)+(+2)=?
原式
=-1/8+5-7+1/8+2
=1/8-1/8+(5+2-7)
=0+0
=0