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X*X+Y*Y=5 X*X*XY+XY*Y*Y=10

Матр5на 11 февр. 2018 г., 18:52:22 (6 месяцев назад)
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Решите систему уравнений:

(Знак системы) x+5y=7
3x+2y=-5

Сумма цифр заданного двузначного числа равна 7. если к каждой цифре прибавить по 2, то получится число, меньше удвоенного заданного числа на 3. какое

число задано?

регить в системе. первое уравнение: х+у=7. как записать уравнение: если к каждой цифре прибавить по 2, то получится число, меньше удвоенного заданного числа на 3.

система уравнений

х-у-4=0
х²+у²=8,5

Ребята помагите решить система {-5x+5y=-2

{-5x-9y=4



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