Dans le repère ci-dessous, place les points:
A(1; 0; 3), B(0; 3; 2), C(3; 0; 2), D(1,5; 4; 0) et
E(2,5; 0; 1).
Exercice 2:
1,
1
O
1
C = [(-4) x (-2-1) + (-8) + (-4)] × (-2) +2
C =
C =
C =
C =
C =