Question

QUEM SOUBER MIM AJUDA ​

Answer 1

Resposta:

$a) \frac{2 \div 2}{18 \div 2} = \frac{1}{9} \\ b) \frac{25 \div 5}{20 \div 5} = \frac{5}{4} \\ c) \frac{10 \div 10}{30 \div 10} = \frac{1}{3}$

Answer 2

a) 2 (÷2)

--- = 1

18 (÷2) ---

9

b) 25 (÷5)

---- = 5

20 (÷5) ---

4

c) 10 (÷10)

---- = 1

30 (÷10) ---

3