,
(
25
50
75
100
125
150
175
200
225
250
)
1
...
76
77
78
79
80
81
82
83
84
85
86
87
88
...
103
Time2Teach
SAUTER 21 2009
.
.
(2010 2012.)
X - ( , )
18-
1
...
76
77
78
79
80
81
82
83
84
85
86
87
88
...
103
