8. Calculează: a) (25-6-1400: 14): 10 + 324:18; b) [37-15-(231+ 9-3)] 4-1 100; c) 258 + {[(18² +16²): 10 - (7-40-50-5)] 3):7-70; d) 48+2 (1740-8 [30+3 (250-10 918:53)]). e) (2-22-230 + 510.526:53): (533 +233); f) 2733 {[930.340 + (38:35) 33]: (30 +3¹)}; g) [750 728+ (36) 5+ 823: 420]: (4911 +25² +2²+ 330); h) 5100 [520.538.540 +2.583: 528.544 -6 (1549⁹372)2]: 5.

a,f,g,h, doar aste . Va rog frumos dau multe puncte. mulțumesc ​