,
.
.
XXI
.
1
(
300
600
900
1200
1500
1800
2100
2400
2700
3000
)
1
...
977
978
979
980
981
982
983
984
985
986
987
988
989
...
1194
,
- ,
- ,
,
- 66
-
:
, (270800.62)
- ( )
Matrix Pre-Intermediate (Unit 2)
-
, -
- ,
, , 1
19 2013
1.5 -11
1
...
977
978
979
980
981
982
983
984
985
986
987
988
989
...
1194
: