Tatianagayssotask
résolu

bonjour pourriez vous m'aider svp calculer
a. 1/5:(-3)

b.3/8:(-6)

c.-15/8:5

d.-3/6/5

e.-3/6/5

f.-7/5/6+1/5
merci davance
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Répondre :

bonsoir,

a. 1/5/(-3)=

1/ (5*-3) =-1/15

b.3/8/(-6)=

3/(8/-6*8) = 3/ (-8/48)=

(3*48)/ -8 =144/ -8=

-18

c.-15/8/5

(-15*5) /8=

-45/8

d.-3/6/5

-3/(6/5) =

(-3*5)/6 =

-15/6 = -5/2

e.-3/6/5

-3/(6/5) =

(-3*5) /6 =

-15/6 =

-5/2

f.-7/5/6+1/5

-7/(5/6) +1/5

(-7 *6)/5 +1/5=

-42/5 =1/5 =

-41/5

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