(-36)-(-25)-(+36)+(+72)=?(-8)-(-3)+(+5)-(+9)=?-1/2+(-1/6)-(-1/4)-(+2/3)=?

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(-36)-(-25)-(+36)+(+72)=?(-8)-(-3)+(+5)-(+9)=?-1/2+(-1/6)-(-1/4)-(+2/3)=?
(-36)-(-25)-(+36)+(+72)=?(-8)-(-3)+(+5)-(+9)=?-1/2+(-1/6)-(-1/4)-(+2/3)=?

(-36)-(-25)-(+36)+(+72)=?(-8)-(-3)+(+5)-(+9)=?-1/2+(-1/6)-(-1/4)-(+2/3)=?
(-36)-(-25)-(+36)+(+72)
=-36+25-36+72
=25
(-8)-(-3)+(+5)-(+9)
=-8+3+5-9
=-9
-1/2+(-1/6)-(-1/4)-(+2/3)
=-1/2-1/6+1/4-2/3
=-13/12

25 -9 -13/12

-36+25-36+72=25
-8+3+5-9=-9
-1/2-1/6+1/4-2/3=-13/12