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Daca a-b=200 si a=5b, afla valoarea fiecarui numar.

Răspuns :

5b-b=200
4b=200
b=200/4
b=50
a-50=200
a=200+50
a=250
5b-b=200
4b=200
b=200/4
b=50

a=5x50
a=250

verificare
250-50=200