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Ответ

Ответ дан
bena20193

Ответ:

Пошаговое объяснение:

51=1*51

51=3*17

1) 51=1*51

х-у=1      решим систему методом сложения

x+y=51

2х=52; x=26; y=x-1=26-1=25

x=26;y=25 первое решение

проверка

(26-25)(26+25)=1*51=51

2) 51=3*17

х-у=3      решим систему методом сложения

x+y=17

2х=20; x=10; y=x-3=10-3=7

x=10;y=7 второе решение

проверка

(10-7)(10+7)=3*17=51

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