To są ułamki !! 2 całe 1-8+1-2= To jest- krespa ułamkowa 2całe 1-8-1-2= 2całe 1-8 +(-1-2)= (-2całe 1-8)+1-2= (-2całe 1-8)+(-1-2)=
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2 ⅛ + ½ = 17/8 + 1/2 = 17/8 + 4/8 = 21/8 = 2 ⅝
2 ⅛ - ½ = 17/8 - 1/2 = 17/8 - 4/8 = 13/8 = 1 ⅝
2 ⅛ + (- ½) = 2 ⅛ - ½ = 17/8 - 1/2 = 17/8 - 4/8 = 13/8 = 1 ⅝
-2 ⅛ + ½ = - 17/8 + 1/2 = -17/8 + 4/8 = - 13/8 = -1 ⅝
-2 ⅛ + (- ½ ) = - 17/8 - 1/2 = -17/8 - 4/8 = - 21/8 = -2 ⅝
2i1/8+1/2=17/8+4/8=21/8=2i5/8
2i1/8-1/2=17/8-1/2=17/8-4/8=13/8=1i5/8
2i1/8+(-1/2)=17/8-4/8=13/8=1i5/8
-2i1/8+1/2=-17/8+4/8=-13/8=-1i5/8
-2i1/8+(-1/2)=-17/8-4/8=-21/8=-2i5/8