Question

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) =

i) (+3) . (-1/5) =

j) (+2) . (+4/11) =

k) (-1) . (-3/10) =

l) (-4/7) . (+5) =

m) (-2/5) . (-3) =

Answer 1

Resposta:

Explicação passo-a-passo:

a) -1/20

b)-28/45

c)15/14

d)-1/20

e)-2/9

f)+20/24 :4 = 5/6

g)-4/15

h)21/20

i)-3/5

j)8/11

k)3/10

l)-20/7

m)6/5

- com - = +

+ com - = -