Obtiens 15 en Maths
Region: FR
Wednesday 21 October 2026 15:57:11 GMT
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Az_sd91z :
Oui
2026-10-21 17:23:05
1
slmsmsms :
oui par démonstration algébrique X1= x=0,999 X2= 10x=9,999, on soustrait X1 et X2 ensemble = 10x-x=9,999-0,999 = 9x=9 9x/9=9/9 = x=1 or x=0,999 donc 0,999=1
2026-10-21 16:10:03
1
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