Question

Efetue as seguintes operações:
a) (+4/9). (-6/5) =

b) (-4/7). (-3/8)=

c) (+1/3): (-4/9) =

d) (-7/5): (+1/2) =

e) (+4/3): (-4)=

f) (-2/3) + (+3/5) =

g) (-4/7)-(-2/3)=​

Answer 1

Explicação passo-a-passo:

a) - 24/45

b) 12/56 = 3/14

c) - 4/27

d) - 7/10

e) - 16/3

f) - 6/15 = - 2/5

g) 8/21

d)