номер 629
1)2+12=14
2+(-15)=-13
2)7-(-2)=11
7-6=1
3)24-9=15
-16-9=25
4)4+(-15)=-11
4+30=34
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номер 629
1)2+12=14
2+(-15)=-13
2)7-(-2)=11
7-6=1
3)24-9=15
-16-9=25
4)4+(-15)=-11
4+30=34