Предмет: Математика, автор: milandarina

представьте в виде произведения 1/2a^2-ab+1/2b^2

Ответы

Автор ответа: seredaed
0
1/2a^2 -ab + 1/2b^2 = 1/2*( a^2 -2ab+b^2) = 1/2*(a-b)^2
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