= + 3 = + 2 = 3 + 2
= − 5 = 3 − 8 = 4 − 7 −
=
2 + 5 = 19 +
2
= 9
2 − 7
=
2 +
2 =
2 −
2
= 6
3 + 7
2 aidez moi svp c'est hyper important!!