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Afla b a) 198×5+b=2470 b) 216:b=8

Răspuns :

a)198×5+b=2470
990+b=2470
b=2470-990
b=1480.
b)216:b=8
b=216:8
b=27
198x5+b=2470
990+b=2470
b=2470-990
b=1480

216:b=8
b=216:8
b=27