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8. Calculaţi: a) 1-212-1-512-1-71-1-413-127-2212: b)-17|+|-22-7+-2-14; c) | −5 |· | −4 |· | −15 | - | −2|1-0-|-1-33³·1-21-1-31.​

8 Calculaţi A 1212151217114131272212 B17227214 C 5 4 15 210133121131 class=