Ответ:
а) (93-57)*(93²+93*57+57²)/36 + 97*53= 93²+93*57+57²+ 97*53=93²+2*93*57+57²=(93+57)²=150²=22500
б) (79-51)*(79²+79*51+51²)/28 -(79²+51²)= 79²+79*51+51² -79²-51²=79*51=4029
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Ответ:
а) (93-57)*(93²+93*57+57²)/36 + 97*53= 93²+93*57+57²+ 97*53=93²+2*93*57+57²=(93+57)²=150²=22500
б) (79-51)*(79²+79*51+51²)/28 -(79²+51²)= 79²+79*51+51² -79²-51²=79*51=4029