² ײ в
. 1. 2 30, 4 10. . .
г:
.
(30 10) / (2 4) = 10.
(2; 30),
Q 30 = 10 ( 2), Q =50 10 .
, =5.
. 2. Q1 = 6 3 , Q2 = 4 0,5 . .
г:
2, 8, , 2,
Q = Q1 + Q2, Q = 10 3,5 .
, 2, .
=2
10 3,52 = 3.
, , (10; 0), (3; 2) (0; 8).
: , .
. 3. ij 8 . . ij 2 $/. 10 $/. 48 . . . 2,5 $/.?
г:
(0; 8) (10; 48), :
Q1 = 4 + 8.
(2; 0) (10; 48), :
Q2 = 6 12.
= 2,5 Q1 =18, Q2 = 3.
. 3. QD = 2 7 + 12, QS = 3 4. . .
г:
1) QD= QS
2 7 + 12 = 3 4,
1 = 2, 2 = 8.
2) :
1 = 2, Q1 = 32 4 = 2.
3) :
2 = 8, Q1 = 38 4 = 20.
4) .
Q |
S |
D |
.1.4. .
. 4. . ³
= 2 6; = 3 15; = 5
= 12 ; = 16 4 ; = 10 0,5 .
.
г:
.
.
=4
QD = 38 5,5 4 = 16 QS = 6 + 7 4 = 22,
=3
QD = 38 5,5 3 = 21,5 QS = 6 + 7 3 = 15,
|
|
QD = 38 5,5 QS = 6 + 7 .
38 5,5 = 6 + 7 => = 3,52; Q∑ = 18,64.
3- (5 3,52) =17,6; 1- (2 3,52 6) =1,04 . ; 2- ; 1- (12 3,52) = 8,48; 2- (16 4 3,52) = 1,92 3- (10 0,5 3,52) = 8,24 . .
. 5. = 200 t, = 0,5 t-1 10, t = 0, 1 6 ( ).
1) .
2) , , , 30 ?
3) ?
г:
1) ֳ = , t = t-1. 0,5 10 = 200 => PE = 140; QE = 60.
2) : = 230 1; = 60, 1 = 230 60 = 170. ³: = 0,5 170 10 = 75; 2 = 230 75 = 155. : = 0,5 155 10 = 67,5; 3 = 230 67,5 = 162,5. : = 0,5 162,5 10 = 71,3; 4 = 230 71,3 = 158,8. ϒ: = 0,5 158,8 10 = 69,4; 5 = 230 69,4 = 160,6. : = 0,5 160,6 10 = 70,3; 6 = 230 70,3 = 159,7.
3) г 0,5 10 = 230 => PE = 160; QE = 70.