Explicação passo-a-passo:
5 x 4 20
--- --- = -----
6 x 5 30
[tex] \frac{ {20}^{ \div 10} }{ {30}^{ \div 10} } = \frac{2}{3} [/tex]
2.
9 x 4 36
--- --- = ------
2 x 5 10
[tex] \frac{ {36}^{ \div 2} }{ {10}^{ \div 2} } = \frac{18}{5} [/tex]
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Explicação passo-a-passo:
5 x 4 20
--- --- = -----
6 x 5 30
[tex] \frac{ {20}^{ \div 10} }{ {30}^{ \div 10} } = \frac{2}{3} [/tex]
2.
9 x 4 36
--- --- = ------
2 x 5 10
[tex] \frac{ {36}^{ \div 2} }{ {10}^{ \div 2} } = \frac{18}{5} [/tex]