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Calculați a 3 * 7/2; b 5 / 1/3 c 4 * 2/7; d 6 / 3/7 e 7/9 * 2 f 11/3 / 5 g 14/5 * 5 h 21/3 / 2 i 27/13 * 3​
Vo rog dau coroana