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25. Să se calculeze: a) (4 + 2232 : 2230) : 22, c) (125.+ 546:54 +3.5): 52; e) (3.24 +221 : 27): 25, b) (9 +300:31 +39::3 d) (49+77:7): 7: 1) (36 + 6 : 6 + 4.6):dau 100coroane​