4. Adevărat (A) sau fals (F)?
a) 48:8 x 9 = 28:7 x 8
b) 6 x 4:3 = 12:3x2
c) 36:9 x 7 = 3 x 3 x 3
d) 2 x 3 x 6 = 30:5 x 6​