7 1 2 x 5 3 4
- 6 7 1 2 x 3 4 5 8
- 1 7 2x 3 )+ 5 4
- 7 6 х 3 4 1 2 x 5 6
- 3 5x 7 x 4 1 2 5 4x 8
- 2x 1 3 5 3x 2 x 7 4
- Y 5 7 x 1 3 2 4 9
- 4 7 x 5 6 1 2 3
- Y x 5 x 3 4x 1 2 7 differentiation
- 4 1 2 x )- 5 x 3 10 )= 7 4
- 2 1 5 x 3 4 7 as a fraction
- 5 1 2 x 7 3 4 envelopes
- 7 1 2 5 3 4 x 8 1 8
- 7 3 1 x )= 5 2 3 4x
- 5 1 2 x 7 3 4 outer envelopes