Respostas
Resposta:
A) x = 0, 373737
100x = 37 ,3737
100x -x = 37,37 - 0,3737
99 x = 37
x = 37
-------
99
b) x = 0,888
10 x = 8,88
10 x - x = 8, 88 - 0,88
9 x = 8
x = 8
---
9
c) x= 0, 5555
10 x = 5, 555
10 x - x = 5,5555 - 0,555
9 x = 5
x = 5
-----
9
d) x = 3,222
10 x = 32,222
10 x - x = 32,22 - 3,22
9 x = 29
x = 29
---
9
e) x = 1,2121
100x = 121, 2121
100x - x = 121,2121 - 1,2121
99x = 120
x = 120
----- ÷ 3
99
x = 40
-----
33
f) x = 0, 0505
100 x = 05,05
100x - x = 0,505 - 0.0505
99 x = 5
x = 5
-----
99
g) x = 0,5656
100x = 56,5656
100x - x = 56,565 - 0,5656
99 x = 56
x = 56
-------
99
h) x = 1,43434
100x = 143,4343
100x - x = 143,43 - 1,4343
99 x = 142
x = 142
-----
99
i) x = 2,9191
100x = 291,91
100x - x = 291,91 - 2,9191
99 x = 289
x = 289
-------
99
Explicação passo-a-passo: