2 1 49X X X X X X 3 2 3 26 12 8 64 6 12 6 49 24 13X 1324C) X1 3 2 X4 2 X X 23X X 216 3 2 3 3 23 3 1 2 3 6 163 3 1 8 3 6 16 9 9 1D) X3 3 X 3X23X 9 9X1215 3 2 2 ...
3. .2 3. .2
2
4
6.
2
1
49
x
x
x
x
x
x
3
2
3
2
6
12
8
64 6
12
6 49
24
13
x
13
24
c)
x
1
3
2
x
4 2
x x
2
3
x x
2
16
3
2
3
3
2
3
3
1 2
3
6
16
3
3
1 8
3
6
16
9
9
1
d)
x
3
3
x
3
x
2
3
x
9
9
x
1
2
15
3
2
2
3
3
3
9
9
1
15
x
x
x
x
x
3
2
2
3
3
3
2