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(2p) (3) Efectuați: a 12":122-3¹-32 +2³; c1+{2+[3(4+5)-6+7.8J–9}; b 2³.32 +25°-11²-4°; d9-{[8+7 (6+5)]-4-3}+2.​

2p 3 Efectuați A 12122332 2 C12345678J9 B 232 25114 D987 65432 class=