a) 5+(-2)= 3
b) - 2+(-7)= - 9
c) 5-(-2)= 5+2= 7
d) - 8-10= - 18
Pozdrowionka :3
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a) 5+(-2)= 3
b) - 2+(-7)= - 9
c) 5-(-2)= 5+2= 7
d) - 8-10= - 18
Pozdrowionka :3