Sagot :
Bonjour,
21/9 -10/15
= 7/3 -10/15
= 35/15 -10/15
= 25/15
=5/3
10/3 -2/7 * 35/6
= 10/3 - 70/42
= 10/3 - 10/6 ( divisé par 7)
= 20/6 -10/6
= 10/6
=5/3
Bonjour,
21/9 -10/15
= 7/3 -10/15
= 35/15 -10/15
= 25/15
=5/3
10/3 -2/7 * 35/6
= 10/3 - 70/42
= 10/3 - 10/6 ( divisé par 7)
= 20/6 -10/6
= 10/6
=5/3