\vec u

\lambda \vec u

\vec v

\lambda \vec v

\lambda (\vec u{ + \vec v}){=}{\lambda \vec u{+\lambda \vec v}}

\vec u{+\vec v}

\vec v

3 \vec v

(-3)\vec v=-\overrightarrow{3v}

2 \vec v

3\vec v

=5\vec v

(2+3)\vec v

= 2\vec v + 3 \vec v

\vec u

\vec v{+\vec v}{+\vec v=

A = (1.5, 1.5)
B = (2.5, 2)
C = (0.5, 0.5)
D = (1.5, 1)
E = (2.5, 1.5)
F = (3.5, 2)
G = (1.5, 0.5)
H = (4.5, 2)
I = (2.5, 0.5)
J = (5.5, 2)
u = Vector(A, B)
v = Vector(C, D)
w = Vector(D, E)
a = Vector(E, F)
b = Vector(G, H)
c = Vector(J, I)
K = (0.5, -1.5)
L = (1.5, -1)
d = Vector(K, L)
M = (2.5, -0.5)
e = Vector(L, M)
N = (0.5, -2.5)
O = (1.5, -2)
f = Vector(N, O)
P = (2.5, -1.5)
Q = (3.563333333333334, -0.97)
g = Vector(P, Q)
h = Vector(O, P)
R = (1, -3)
S = (2, -2.5)
i = Vector(R, S)
T = (3, -2)
j = Vector(S, T)
U = (4, -1.5)
k = Vector(T, U)
V = (5, -1)
l = Vector(U, V)
W = (6, -0.5)
m = Vector(V, W)
Z = (2, -3)
A_1 = (7, -0.5)
n = Vector(Z, A_1)
B_1 = (-2.5, -1.5)
C_1 = (0, -2)
D_1 = (2, -1)
F_1 = (2.5, -2.5)
H_1 = (6.5, -0.5)
p = Vector(B_1, C_1)
r = Vector(C_1, D_1)
u_1 = Vector(B_1, D_1)
v_1 = Vector(B_1, H_1)
q = Vector(B_1, F_1)
s = Vector(F_1, H_1)
I_1 = (-1.712164217194179, -4.701275409862325)
J_1 = (-0.49590405459254727, -4.701275409862325)