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1. Calculaţi: a) 51 -10 +352; d) 4349 + 25 100; b) 85-10-607; e) 5607-100-42, c) 10-69-584, f) 7804-59-100.​

1 Calculaţi A 51 10 352 D 4349 25 100 B 8510607 E 560710042 C 1069584 F 780459100 class=