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Sagot :

LOULAKAR

Bonsoir

Calculer.

a) 20 % de 500

= 500 x 20/100

= 5 x 20

= 100

c) 25 % de 70

= 70 x 25/100

= 70 x 1/4

= 17,5

b) 10 % de 721

= 721 x 10/100

= 721 x 1/10

= 72,1

d) 8 % de 1​

= 1 x 8/100

= 0,08

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