Ile to: -38+45+(-19).?71+(-49) + (-13).?-27+51+(-78) + 26.?73 + (-65) + (-46) + 39.?Proszę o pomoc :/
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71+(-49) + (-13)=71-49+(-13)=22+(-13)=22-13=9
-27+51+(-78) + 26=24+(-78)+26=24-78+26= -54+26= -28
73 + (-65) + (-46) + 39=73-65+(-46)+39=8+(-46)+39=8-46+39= -38+39=1
22-13=9
24-78+26= -54+26= -28
8-46+39= -38+39=1