Resposta :

MATHSPHIS
a) 6/18 = 1/3

b) 10/18 = 5/6

c) 16/20 = 4/5

d) 24/30 = 4/5

e) 16/18 = 8/9
jordaan
a)6:2 = 3 :3 = 1
 18:2= 9 :3 = 3

b) 10:2=5
    18:2 = 9

c) 16:2=8 :2=4
    20:2 = 10:2=5

d) 24:2=12
   30:2= 15

e) 16:2 = 8
   18:2 = 9

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