Calcule as divisões . a) 1/4 ÷ 3 b) 2/5 ÷ 1/2 c) 3 /8 ÷ 2/3 d) 9/5 ÷ 3/2
Respostas
1
a-1/12
b-4/5
c-9/16
d-6/5
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2
a) 1/12 b) 4/5 c) 9/16 d) 18/15
a) 1/4 : 3= 1/4 . 1/3= 1/12
b) 2/5 : 1/2= 2/5 . 2/1= 4/5
c) 3/8 : 2/3= 3/8 . 3/2= 9/16
d) 9/5 : 3/2= 9/5 . 2/3= 18/15