Question

Complete as escritas fracionarias de modo que elas sejam equivalentes se for preciso
a)1÷2=?÷4
b)1÷3=?÷6
c)3÷4=15÷?
d)1÷4=?÷8
e)2÷3=?÷9
f)2÷6=?÷12
g)3÷5=?÷10
h)1÷5=?÷10
I)1÷7=5÷?​

Answer 1

a)1/2=x/4

2x=4

x=4/2

x=2

1/2=2/4

b)1/3=x/6

3x=6

x=6/3

x=2

1/3=2/6

c)3/4=15/x

60=3x

x=60/3

x=20

3/4=15/20

d)1/4=x/8

4x=8

x=8/4

x=2

1/4=2/8

e)2/3=x/9

3x=18

x=18/3

x=6

2/3=6/9

f)2/6=x/12

6x=24

x=24/6

x=4

2/3=4/12

g)3/5=x/10

5x=30

x=30/5

x=6

3/5=6/10

h)1/5=x/10

5x=10

x=10/5

x=2

1/5=2/10

i)1/7=5/x

35=x

1/7=5/35

Espero ajudar❤