Page 75 - บทที่ 1

15 - 7 1 + 9 = 6x9

5 + 7 4x5 = 16-7

6 - 4 5 + 0 = 3 + 8

2 X 2 9 - 8 = 8x8

4 - 3 12 - 5 = 7x8

6 + 9 8 + 3 = 15-9

6 X 5 4x3 = 8 + 4

15 - 8 8 - 8 = 16-8

2 + 2 2 + 4 = 3 + 2

10 - 9 4x6 = 8x2

6 x3 11 - 5 = 5x4

9 + 5 8 - 6 = 6 + 9

1 x8 0 + 8 = 6 - 1

14 - 6 11 - 8 = 4 + 5

2 X 4 6 + 6 = 9x7

7 + 5 9x4 = 12-3

3 X 6 9 + 7 = Qunv)

wnvl QUIVi
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