Page 93 - บทที่ 1
P. 93
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' 7
91
_
4 + 7 =
13
8
6 X 5
—
9x8 =
9 X 7
8 + 7
—
7
+ 7
10 - 5
9 - 2 =
7
3 + 8 =
X 6
2 + 5
—
—
10
9
13 - 9 =
7 X 0
—
2 X 3
5x7 =
2 + 8
—
—
5
9 + 5 =
7
4 X 9
—
+ 4
5 + 4 =
3
11 - 2
—
8 X 9
3x8 =
4 x6
—
7x3 =
4
+ 6
9 - 7
—
—
13 - 5 =
8
15
7 + 6
—
4 + 4 =
8 X 5
5 X 9
—
—
3
6
8 - 7 =
7 + 2
—
+ 7
7x7 =
18 - 9
3
—
5 + 0 =
6
5 - 3
+ 1
—
—
10 - 6 =
9 + 9
9
9
—
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