Page 90 - บทที่ 1
P. 90
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OUVl mflU.
8x2 = 8 - 5 =
ne^nvii.tjjvin unvi
2x5 = 6 - 5 = 4 + 1 =
9 - 1 = 1 + 0 = 1x9 =
4 + 2 = 5 - 3 = 11 - 6 =
3x2 = 7x7 = 9 + 3 =
2 + 9 = 15 - 7 = 5x8 =
7 - 4 = 3 + 4 = 4 - 1 =
12 - 3 = 8 + 9 = 9x8 =
7x8 = 9 - 8 = 8 + 1 =
10 - 4 = 3x1 = 14 - 7 =
8 + 4 = 13 - 6 = 7 + 7 =
5 + 5 = 6x6 = 9x2 =
9x6 = 3 + 7 = 5 + 3 =
3 + 3 = 10 - 9 = 12 - 6 =
5x6 = 9 + 5 = 3x3 =
0x7 = 15 - 9 = 5 + 7 =
8 + 5 = 4x3 = 10 - 6 =
89
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