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-2 + (-0.5) = -2.5
b)
2 + (-4,5) = -2,5
c)
-3 - (-0,5) -2,5
d)
-1 - 1.5 = -2,5
-1+(-1,5)=-1-1,5=-2,5
b)
2+(-4,5)=2-4,5=-2,5
c)
-0,5-2=-2,5
d)
-1,5-(+1)=-1,5-1=-2,5
jesli cos nie tak to pisz
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