Question

Geratriz
A-0,777
B-5,8333
C-2,333
D-0,527527
E-1,2323
F-3,888

Answer 1

a-0,777
x=0,777
10x=7,777
10x-x=7,777...-0,777...
9x=7
x=7/9

b-5,8333
x=5,8333
10x=58,333...
100x=583,333...
100x-10x=583,333...-58,333...
90x=525
x=525/90
x=35/6

c-2,333
x=2,333...
10x=23,333...
10x-x=23,333...-2,333...
9x=21
x=21/9
x=7/3

d-0,527527
x=0,527527...
100x=527,527527...
1000x-x=527,527527...-0,527527...
999x=527
x=527/999

e-1,2323
x=1,2323...
100x=123,2323...
100x-x=123,2323...-1,232323..
99x=122
x=122/99

f-3,888
x=3,888...
10x=38,888...
10x-x=38,888...-3,888...
9x=35
x=35/9