Răspuns :

Opreaalexandru005id

[tex]mg = \sqrt{x \times y} = 15[/tex]

cmmdc=5

x=a×5

y=b×5

[tex]x \times y = 225[/tex]

a×b=225÷25

a×b=9

Asadar, luam fiecare varianta:

I

a=1 =>x=5

b=9 =>y=45

II

a=3 =>x=15

b=3 =>y=15

III

a=9 =>x=45

b=1 =>y=5

(x;y)={(5;45);(15;15);(45;5)}

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