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Va rog sa ma ajutati si pe mine (20:a+20):6=50:10

Răspuns :


(20:a+20):6=5

20:a+20=5x6

20:a=30-20

20:a=10

a=20:10

a=2

20:a+20=6x(50:10) 20:a+20=6x5 20:a+20=30 20:a=30-20 20:a=10 a=20:10 a=2 Funda?