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Calculează:
a) (18 + 2 x 7): (12:2 +8:4)
b) 24 - 24:3x (72 :9-2x3):4 x 5
c) 36:6 + 4 x 2 x 5-(20 - 12:3)
d) 42:7 + (6 + 6):2-24: (5 + 3)
e) (25 + 20):5-(19 + 5):8
f) 10 + (10:10 + 10)- (10 1 + 10) RAPID DAU COROANA ​