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Вопрос по математике:
Докажите,что значение данного выражения не зависит от значения х и у .
25(2х-4у+7)-6(5х-11у+3)-2(10х-17у-4)=-
Автор:
niki95
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25(2x-4y+7)-6(5x-11y+3)-2(10x-17y-4)=50x-100y+175-30x+66y-18-20x+34y+8=0x+0y+165=165
Ответ: 165
Да, значение данного выражения не зависит от значения х и у
Пошаговое объяснение:
25(2x-4y+7)-6(5x-11y+3)-2(10x-17y-4)
50x-100y+175-30x+66y-18-20x+34y+8
0x+0y+165=165
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