Page 129 - บทที่ 1

6
7
9
9
5
8
1
16
17
12
-
-
-
-
-
-
+
+
+
+
3
3
3
3
9
8
9
6
9
8
4x3
2x7
7x6
8x5
5x8
6x3
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
7
5
4
11
3
8
7
4
3
15
16
13
-
-
-
-
-
+
+
+
+
+
+
+
8
6
9
9
7
9
4
0
4
4
5
9
9x2
5x7
2x4
9x9
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
-
-
-
-
-
+
+
+
+
+
+
4
4
6
4
7
6
8
7
2
1
1
=
=
=
=
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=
=
II 3x9 11 3x8 6 2x8 10 5x9 1 6 8 10 7x9 2 6 4 8
1 Qunv)
Qunvi
unvl
4x8=
un^
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