Resposta:
a) 9/36= 3/12
9:3= 3 36:3=12
b) 18/36= 6/12 = 2/4
18:3=6 36:3= 12 = 6:3=2 12:3=4
c) 45/75= 9/15 = 3/5
45:5=9 75:5=15 = 9:3=3 15:3=5
d) 50/100= 5/10
50:10=5 100:10=10
e) 48/120= 8/20 = 2/5
48:6=8 120:6=20 = 8:4=2 20:4=5
('':'' é sinal de divisão)
