Question

efetue as multiplicacoes
a) (-4/5)×(-7/4)
b) (+4/9)×(16/81)
c) (+5/8)×(-4/3)
d) (+4/5)×0
e) (-15/11)×1
f) (+3)×(-3/9)×(+18/6)​​

Answer 1

Explicação passo-a-passo:

a)(4/5)×(-7/4)

-28/20

b)(+4/9)×(16/81)

64/729

c)(+5/8)×(-4/3)

-20/24

d)(+4/5)×0

1

e)(-15/11)×1

-15/11

f)(+3)×(-3/9)×(+18/6)

-162/54