AUT02-04

retour

a. $\dfrac{10}{100}\times\dfrac{35}{100} = \dfrac{350}{10000} = \dfrac{35}{100} = 3,5\ \text{%}$.

b. $\dfrac{25}{100} \times \dfrac{80}{100} = \dfrac{2000}{10000} = \dfrac{20}{100} = 20\ \text{%}$.

c. $\dfrac1{100}\times\dfrac{90}{100} = \dfrac{90}{10000} = \dfrac{0,9}{100} = 0,9\ \text{%}$.

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code : 137