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Mathematics, 22.06.2021 18:10 krishimotam

Thực hiện phép nhân, rút gọn rồi tính giá trị của biểu thức : a) x(x - y) + y(x + y)
tại x = -6 và y = 8;
b) x(x - y) = x^(x + y) + yx2 – x) tại x =
1
và y = -100,
2

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Thực hiện phép nhân, rút gọn rồi tính giá trị của biểu thức : a) x(x - y) + y(x + y)
tại x =...
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