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a fost răspuns

Gasiti perechea de fratii echivalente, egale.
a) 21/14, 4/18, 7/2, 5/10, 8/36, 6/8, 18/24, 4/8.
b) 18/27, 12/16, 5/8, 6/9, 20/32, 60/80, 16/28, 63/112.
COROANA!