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1 Calculează: a) (17 x 9 + 24 × 8 - 891:27) : 3 = b) (528:24 + 420 : 3 + 11 × 17) × 15 = c) 5 x 47 + 12 × 95 - 725 25 = X d) (247 + 743): 45 + 4x (276-197) = e) 9 × (17 x 4 + 27) − (105 + 75 + 65) : 5 = f) [1 500 + 27 x (639: 9) - (536:8)]: 10 = g) [(63+ 19 x 24): 3 + 464: 4-11 x 11] x 25 = h) 160-4 × [15 + 5x (265-4 × 65)] = i) (243 x 15:27 +26 664 : 24) (900: 36 - 23) =​

1 Calculează A 17 X 9 24 8 89127 3 B 52824 420 3 11 17 15 C 5 X 47 12 95 725 25 X D 247 743 45 4x 276197 E 9 17 X 4 27 105 75 65 5 F 1 500 27 X 639 9 5368 10 G class=