Ответ:
1. -23+18= -5
2. 45-(-56)= 101
3. -65-37= -102
4. 42-80= 38
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Verified answer
1. -23+18=-(23-18)=-52.45-(-56)=45+56=101
3.-65-37=-(65+37)=-102
4.42-80=-(80-42)=-38
Ответ:
1. -23+18= -5
2. 45-(-56)= 101
3. -65-37= -102
4. 42-80= 38