Question

SOCORRO
Quanto é: 2/3 . 3/6 . 2/7 = *
a) 2/5
b) 8/21
c) 2/21
d) 3/7

Answer 1

$> resolucao \\ \\ > \frac{2}{3} \times \frac{3}{6} \times \frac{2}{7} \\ \\ > \frac{12 \div 6}{126 \div 6} \\ \\ > \frac{2}{21} \\ \\ \ > resposta(c)$

Answer 2

Explicação passo-a-passo:

$\dfrac{2}{3} \times \dfrac{3}{6} \times \dfrac{2}{7}$

$\dfrac{12 {}^{ \div 6} }{126 {}^{ \div 6} }$

$\dfrac{2}{21}$

Opção "C"