Pomocy! Oblicz trzy przykłady:
a) (- ¼)+(- ½)+⅛+(- 5/4)+(+⅜)+(+1½)+(-⅞)=
b) 5,75+(-8,5)+ (- 4/5)+(+10,7)+(-0,3)+(-¾)=
c) 6,5+(-0,025)+(-0,025)+(-9/2)+(-0,05)+(-1,2)=
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a)-1,5
b) 6,1
c)0,7