Dodawanie liczb całkowitych
1. Oblicz:
b) 4+(-6) =
c) (-9) + 1 =
a 6+1-2) = 4
(-9) +2=-7
5+(-1) =
9+(-1) =
Na teraz!
-8) + 4 =
(-2+2=
7 +(-3) =
54-3) =
5+(-8) =
(-2+8=
