Marimi d.p. si i.p. Regula de trei simpla

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Daca { 24, 16, x} si {6, y, 9} sunt d.p. atunci x= ... si y= ....

x=36 si y=4

Daca {30, 18} si {x, 15} sunt d.p., atunci x=...

x=25

Daca {12, 40} si {30, y} sunt i.p. , atunci y=....

y=9

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