Question

1) Efetue as multiplicações

a) (+1/5) . (+4/3) =

b) (+4/9) . ( -7/5) =

c) (-3/2) . ( -5/7) =

d) (-1/5) . (+1/4) =

e) (+2/3) . (-1/3) =

f) (-5/8) . (-4/3) =

g) (+4/5) . (-1/3) =

h) (-3/5) . (-7/4) =

FASSAM OS CALCULOS E RESPONDAM:

Answer 1

Explicação passo-a-passo:

$a) = \frac{4}{15} \\ b) = \frac{20}{63} \\ c) = \frac{15}{14} \\ d) = \frac{1}{20} \\ e) = - \frac{2}{9} \\ f) = \frac{5}{6} \\ g ) = - \frac{4}{15} \\ h) = \frac{20}{21}$