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549. Calculează: a) 7-19-12: 2); b) 17: [40 - (2 + 3 x 7)]; c) 116 - 2x [(10 + 3) - (2 + 8)]; d) [(408:4+ 75:3) 3 - 31] * 3; e) 38+ [20 (56-130:5)): 10; f) [7 x 10- (4x 10 x 2-6 x 10)]* 325:65; g) [(100-70): 10+97]:(88 +96:8:1x1); h)[825:5 (701 - 699)]: (426:3-109); i) 2 320 + [38 x 26+ (340 x 11 - 60 5) – 235 x 8]; j) [(808:4+ 140:4) 3 - 15 x 3 + 17 x 101: 2 +9 a e​

549 Calculează A 71912 2 B 17 40 2 3 X 7 C 116 2x 10 3 2 8 D 4084 753 3 31 3 E 38 20 561305 10 F 7 X 10 4x 10 X 26 X 10 32565 G 10070 109788 9681x1 H8255 701 69 class=