1/2х³-2у² , при х= -2, у= -1
1/2(-2)³-2(-1)²=1/2*(-8)-2= -4-2= -6
Ответ:
= -8/2 - 2*(-1) = -4+1=3
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1/2х³-2у² , при х= -2, у= -1
1/2(-2)³-2(-1)²=1/2*(-8)-2= -4-2= -6
Ответ:
= -8/2 - 2*(-1) = -4+1=3