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completati enuntul de calcule Ex 16 daaaau coooooorooooaaaaana

Completati Enuntul De Calcule Ex 16 Daaaau Coooooorooooaaaaana class=

Răspuns :

2/7 + 1/7  → 3/7 + 4/5 → 1 - 3/5 →2/5 + 1/5 = 3/5

3/11 + 6/11 → 9/11 - 9/11 → 0 + 5/6 →5/6 - 2/6 = 3/6  sau 1/2