x , y x + y = 100 n x = y : Xn + yn
x , y x + y = 100 n x = y : Xn + yn = ===> = 2500 = 2500/ = + = + 2500 / = - 2500/2 = 0 =50 , = -50 = 50 + = =50
(32)... 28) 8 7
2 2 .
x , y x + y = 100 n x = y : Xn + yn nx+ny=n(x+y)=100n
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