, ( ) . . .
. : (1) (2) . , .
1.1. 1.3 , z =5x 1 +4x 2 . z =1x 1 +2x 2 , z , . ( 1) ( 2). :
, 1 2 , .
- , , . , 2=4, 1
2=4. 1:2≤1≤6. 1=5,
2: 10/3 ≤ 2 ≤10.
1.3 -
. . , . , ; ( ) . 1.1.
1 2 . .
1. , , , 1 2 ( 1.4). 1 ( , 24) DG. 1, , . , D =(2,2) G =(6,0) DG 1. 1, D =(2,2), 61+42=6 × 2+4 × 2=20 . , G =(6,0), 61+42=6 × 6+4 × 0=36 . , 1 20≤1≤36 ( 1 1). 1 1=24+ D 1, D 1 - 1 24, 20≤24+ D 1 ≤36 -4≤ D 1 ≤12. , 1 4 12. , - , 1 2.
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1.4 - 1
1. 1 20 36 , z DG. y 1 1, :
D =(2,2), z =5*2+4*2=18 (..), G =(6,0), z =5*6+4*0=30 (..). ,
.
, 1 ( 20 36 ) 0,75 ..
2. 1.5 , 2 B H BH, B =(4,0) H =(8/3,2). H ED BC. , 2, , 1+22=1 × 4+2 × 0=4 , H - 1+22=1 × 8/3+2 × 2=20/3 . z =5 × 4+4 × 0=20 (..), H - z =5 × 8/3+4 × 2=64/3 (..). , 2 4 20/3 , 2, y 2,
.
1.5 - 2
1 ?
2 ?
3 ?
4 ?
2 -