(x+y)/2=71(x-y)/2=31x+y=142x-y=622x=204x=102y=x-62=40ответ: (102;40)
(X + Y) : 2 = 71
(X - Y) : 2 = 31
X + Y = 142
X - Y = 62
2X = 204
X = 102
Y = 142 - X = 142 - 102 = 40
ОТВЕТ: числа 102 и 42
(x+y)/2=71
(x-y)/2=31
x+y=142
x-y=62
2x=204
x=102
y=x-62=40
ответ: (102;40)
(X + Y) : 2 = 71
(X - Y) : 2 = 31
X + Y = 142
X - Y = 62
2X = 204
X = 102
Y = 142 - X = 142 - 102 = 40
ОТВЕТ: числа 102 и 42