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ex.10. calculați: a) 2/5 + 3/10; b) 2/9+2/3; c)3/4+5/8; d)7/8+1/2 ; e) 1/2+1/4; f) 3/10+2/5; g) 1/6+2/3; h) 3/5+1/20;​

Ex10 Calculați A 25 310 B 2923 C3458 D7812 E 1214 F 31025 G 1623 H 35120 class=