1 5 7 x 2 3 4
- Y 5 7 x 1 3 2 4 9
- 6 7 1 2 x 3 4 5 8
- 4 7 x 5 6 1 2 3
- 3 5x 7 x 4 1 2 5 4x 8
- 1 9 1 7 1 5 x 2 3 4 6 8 1
- 2x 1 3 5 3x 2 x 7 4
- 1 4 5 3 2 7 x 5 5 13
- 4 5 * x 7 3 1 2 9 3
- 5 1 7 x 4 2 3 as a fraction
- 5 1 2 x 7 3 4 envelopes
- 5 1 2 x 7 3 4 outer envelopes
- 7 3 1 x )= 5 2 3 4x
- 3 4 7 x 2 1 5 as a mixed number
- 4 7 nhân x 2 3 1 5