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Calculează x si y, daca: x+y=276×3+519 x-y=(624÷2-37)÷5


Răspuns :

Răspuns:

x+y=828+519

x+y=1347

x-y=(312-37):5

x-y=275:5

x-y=55

x+y=1347

___________

2x=1402

x=1402:2

x=701

y=1347-701

y=646