Question

alguém me ajuda???? preciso pra hj ​

Answer 1

a) - 12/5 . 7/10 = - 84/50 = - 42/25

b) 2/15 . 5/3 = 10/45 = 2/9

c) 22/3 . 9/11 = 198/33 = 66/11 = 6

d) - 3/5 ÷ 6/7 = - 3/5 . 7/6 = - 21/30 = - 7/10

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Espero ter ajudado

Answer 2

Explicação passo-a-passo:

3)

$\frac{12}{5} \times \frac{7}{10} = \frac{84}{50} = \frac{42}{25}$

$\frac{2}{15} \times \frac{5}{3} = \frac{10}{45} = \frac{2}{9}$

$c) \frac{22}{3} \times \frac{9}{11} = \frac{198}{33} = 6$

$d) - \frac{3}{5} \div \frac{6}{7} = - \frac{3}{5} \times \frac{7}{6} = - \frac{21}{30} = - \frac{7}{10}$