bonjour on veut calculer D = 3/7 - 6/7 * 1/3 a ) b )D= 3/7 - .....*...../.....*..... = 3/7 - ...../21 = 3*...../7*..... - ..../21 = ..../21 = ..../7
Mathématiques
popo062
Question
bonjour
on veut calculer D =
3/7 - 6/7 * 1/3
a )
b )D= 3/7 - .....*...../.....*..... = 3/7 - ...../21 = 3*...../7*..... - ..../21 = ..../21 = ..../7
on veut calculer D =
3/7 - 6/7 * 1/3
a )
b )D= 3/7 - .....*...../.....*..... = 3/7 - ...../21 = 3*...../7*..... - ..../21 = ..../21 = ..../7
1 Réponse
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1. Réponse tautavel
D=3/7-6x1/7x3=3/7-6/21=3X3/7x3-6/21=9/21-6/21=3/21=1/7