Question

Qual fração representa a soma 2,333... + 0,111... ? a) 22/9 b) 21/9 c) 20/9 d) 1/9 e) 7/3

Answer 1

2,333 ... = (23-2)/9 = 21/9

0,111... = 1/9


21/9 + 1/9 = 22/9


Resposta=== A) 22/9

Answer 2

2,333... + 0,111...

x= 2,333... × 10

10x = 23,333...
- x = 2,333...
-------------------------
9x= 21

x= 21/9



x= 0,111... × 10

10x= 1,111...
- x = 0,111...
-------------------
9x = 1

x= 1/9


2,333... + 0,111...

21/9 + 1/9

22/9


Resposta: Alternativa a) 22/9