1)
2002 2001 2004 2003
tx t.. tx t..
T
10
.
T= tx + t + t.. + tx + t + t.. (), (3)
tx- ,
tx - ,
t - ,
t. - .
=25+2+4+24+2+4=61 (.)
2) .
2002 2001 2004 2003
tx tc tx tc
T
11 -
.
T= t+tx+tc+tp+tx+tc (), (4)
t ,
tc .
=2+25+1+2+24+1=55 ()
3) .
2002 2001 2004 2003
tx tc tx t..
12 -
.
T= tx + tc+ tp+ tx+ t+ t..(), (5)
=25+1+2+24+2+4=58 (.)
4) .
2002 2001 2004 2003
tx t.. tx tc
13 -
.
T= tp+ tx+ t+ t..+ tx+ tc () (6)
=2+25+2+4+24+1=58 ()
: 2 , .