Question

Por favor é pra hoje aaaaaaaa
Resolva as operações:

(- 8/9) x (- 3/7) =

+ 7/10 + 3/4 =

- 3/5 - 1/6 =

(- 7/9) x (+ 2/6) =

(+ 2/7) : (- 3/8) =

Answer 1

(- 8/9) x (- 3/7) = 8 / 21

$\frac{-8}{9} .\frac{- 3}{7} =\frac{24}{63} = \frac{8}{21}$

+ 7/10 + 3/4 = 29 / 20

$\frac{7}{10} + \frac{3}{4} = \frac{30 + 28}{40} = \frac{58}{40} = \frac{29}{20}$

- 3/5 - 1/6 = - 23 / 20

$-\frac{3}{5} - \frac{1}{6} = \frac{-18 - 5}{30} = \frac{-23}{30}$

(- 7/9) x (+ 2/6) = 7 / 27

$-\frac{7}{9} . \frac{2}{6} =\frac{-14}{54} = \frac{7}{27}$

(+ 2/7) : (- 3/8) =  16 / 21

$\frac{2}{7}: -\frac{3}{8}= \frac{2}{7} . (-\frac{8}{3} ) = - \frac{16}{21}$