. 3. Q M
, , , . , 4 .
I-I ջ (.4). 1 q ջ .
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R1 1 (q) (X1) R=q × X1.
, Q (1 R1) (I-I). (1) Q , (R1)
Q . . X1 X1=0 1=4 .
X1=0; Q1=20-10 × 0=20()
1=4; Q1=20-10 × 4=-20()
MI .
;
, (1 R1) (I-I). . , .
1 q :.
MI=20-52 .
=0 =0; =4 =20 × 4 5 × 42=0.
.
=2.
=20 × 2-52=20 ().
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RII q :
R1I=q(4+x).
R1l (4+)/2.
.
QII=P1+RA-R2=20+50-10(4+X2) =30-10 X2;
X2=0; QII=30 .
X2=2 ; QII=30-10 × 2=10.
MII=P1 × (4+X2) +RA × X2
- R2
X2=0; MII=0
X2=2; MII=30 × 2-5 × 22= 40().
III-III (. 6)
. 6.
III-III , R=q × 6. R III-III 3+
|
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QIII= P1+RA-R3=20+50-60=10
MIII=P1 × (4+2+X3)+RA × (2+X3)-R × (3+X3)=
=120+20 × X3+100+50 × X3-180-60 × X3=40+10 × X
X2=0; M=40 () X2=2; =40+10 × 2=60 ().
IV-IV (.7). Q M .
. 7
QVI=-RB=-30
MIV=-M0+R × X=30+30 × X-
X=0, M=30(); X=1; =30+30 × 1=60 ().
. 8. Q