.
1. .
=(X, Y, A),
X - , Y - , - . :
X A Y.
X, Y, A - (),
: X A, : A Y
- , ax + by
a (x) + b (y),
() . () - . , . , - .
, t0 = 2
(t) = at2/2, 0 t 4,
(). y = 2at - 2a.
2. . :
= (X, Y, A), A = {ai}, ai = (ai1, ai2,..., aik)
ai - (). ai , , , , .
, .
S={s1, s2,..., sn} - , ,
={m1, m2,..., mz} - , S, , , ( - ) , , S .
- , , , .
:
,
,
,
,
,
.
. a =at2/2, 0 t 4.
. y t, , y = 6 t = 3. : 6 = 9a/2, a = 12/9 = 4/3. y=2t2/3. , .
3. () .
. () , . () - , . , .
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