Ответ:
1) 17+(8+7)=32
8+7=15
15+17=32
2) (76-18)+10=68
76-18=58
58+10=68
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Ответ:
1) 17+(8+7)=32
8+7=15
15+17=32
2) (76-18)+10=68
76-18=58
58+10=68