Page 112 - บทที่ 1
P. 112
^ J
Q\4VI l^f)U
^ A > <al «
nanviifjjvn unvi oiinvi
2x3 = 3 + 4 =
2x4 = 1 + 5 = 13 - 8 =
3 - 2 = 7 - 2 = 2 + 2 =
3 + 8 = 6x3 = 2x9 =
8x6 = 10 - 7 = 10 - 1 =
7 + 0 = 4 + 5 = 5x5 =
3x4 = 1x9 = 9 + 2 =
5 + 3 = 6 - 4 = 6 - 5 =
12 - 4 = 8x4 = 6 + 2 =
9 - 1 = 11 - 3 = 9 - 7 =
4 + 6 = 6x4 = 7x6 =
7x3 = 3 + 9 = 5 + 8 =
13 - 4 = 8x8 = 8 - 2 =
10 - 3 = 6x7 = 7 + 5 =
9x5 = 6 + 4 = 9x2 =
15 - 7 = 13 - 6 = 6 + 8 =
5 + 9 = 9 + 3 = 17 - 9 =
11