Question

qual a fração de 0, 7777...
0, 1444...
0, 5333...
0, 1888...
0, 1313...
0, 4040...
0, 123123...
0, 85222...​

Answer 1

Explicação passo-a-passo:

0,777.............. = 7/9 >>>>

b

0, 1 444... ( 14 - 1 )/90 = 13/90 >>>>

c

0, 5 333... ( 53 - 5 )/90 = 48/90 = por 6 = = 8/15 >>>>>

d

0, 1 888... ( 18 - 1 )90 = 17/90 >>>>>

e

0, 13 13 13 ...= 13/99 >>>>

f

0, 40 40 40... = 40/99 >>>>

g

0, 123 123 123 ... = 123/999 por 3 = 41/333>>>>

h

0, 85 2 2 2...​ = (852 - 85 )/900 = 767/900 >>>>