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Exercitiul 3( p.s. dau coronita)

Exercitiul 3 Ps Dau Coronita class=

Răspuns :

7/6x+10y 
inmultim cu 5
7/5*(6x+10y)
7/20x+50y

7/14x 7/14y
adunam
7/14x+14y
7/20x+50y
adunam
7/34x+64y