Sagot :
1= X+Y-Z
-7+4--10
-7+4+10
-3+10
7
2= Y-X+Z
4--7+-10
4+7+-10
11+-10
1
Réponse :
x = -7, y = 4 et z = -10
x + y - z = -7 + 4 - ( -10) = -7 + 4 + 10 = 7
y - x + z = 4 - (-7) - 10 = 4 + 7 - 10 = 11 - 10 = 1
1= X+Y-Z
-7+4--10
-7+4+10
-3+10
7
2= Y-X+Z
4--7+-10
4+7+-10
11+-10
1
Réponse :
x = -7, y = 4 et z = -10
x + y - z = -7 + 4 - ( -10) = -7 + 4 + 10 = 7
y - x + z = 4 - (-7) - 10 = 4 + 7 - 10 = 11 - 10 = 1