4 Calculează:
a) (18 + 2x7): (12:2 +8:4)
b) 24 - 24:3x (72:9-2x3): 4x5
c) 36:6+4x2x5-(20 - 12:3)
d) 42:7 + (6 + 6):2-24:(5+3)
e) (25 + 20):5-(19+5):8
f) 10 + (10:10 + 10) - (10x1+10)
Va rog repede dau coroană ​