Question

2 Calcula

a)1/5 de 30

b)1/6 de 18

c)2/3 de 4/5

d)3/7 de 1/2

e)2/3 de 5/2

f)o dobro de 3/8

g)o triplo de 3/5

h)2/3 de 27

i)3/7 de 14

j)4/5 de 50

k) a terça parte de 5/6​

Answer 1

Explicação passo-a-passo:

a) 1/5 × 30 = 30/5 = 6

b) 1/6 × 18 = 18/6 = 3

c) 2/3 × 4/5 = 8/15

d) 3/7 × 1/2 = 3/14

e) 2/3 × 5/2 = 10/6 :2 = 5/3

f) 2 × 3/8 = 6/8 :2 = 3/4

g) 3 × 3/5 = 9/5

h) 2/3 × 27 = 54/3 = 18

i) 3/7 × 14 = 42/7 = 6

j) 4/5 × 50 = 200/5 = 40

k) 1/3 × 5/6 = 5/18