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Sagot :

AYUDA

fonction inverse

f(x) = 1/x

donc f(3/4) = 1 / 3/4 = 4/3

puis f(-5/8) = 1 / (-5/8) = - 8/5

etc

VINS

bonjour

inverse de

3/4 =  4/3

- 5 /8 = - 8/5

- 10 ⁶  = -  1/10 ⁶

- 10 ⁻⁴ = - 1 /10 ⁴

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