Page 138 - บทที่ 1
P. 138
2 + 7 9x8 =
wnvi Qunvi
12 - 6 = 4 - 0 1 + 6 =
6 + 2 = 6 X 7 6 + 7 =
3 - 2 = 9 + 7 3x8 =
13 - 8 = 8 xO 9x7 =
4x3 = 1 + 3 9 - 1 =
9 + 6 = 7 x9 6 + 3 =
3x3 = 3 + 5 6 - 2 =
8 + 1 = 5 + 8 10 - 1 =
4 - 3 = 9 - 4 8 + 3 =
4 + 8 = 3 + 7 3x7 =
5x1 = 12 - 3 11 - 9 =
9 - 3 = 3 X 2 9x6 =
7 + 8 = 10 - 6 2x6 =
6 + 5 = 8 X 7 7 + 3 =
7x3 = 12 - 4 18 - 9 =
17 - 9 = 2 + 8 4x7 =
135
