2 5 x 9 7 x 4
- 4 5 x 7 9 x 1 2
- 5 x 8 2 x 7 4 x 9
- 5 x 7 )+ 9 3 x 2 )+ 4
- 2 5 x 0 7 x 4 x 0 9
- 4 x 5 )+ 2 x 9 )= 3 x 7 )- 1
- 3 x 5 )- 3 2 x 7 )+ 4x 9
- Tính nhanh 2 5 x 9 7 x 4
- 2 7x 7 )- 9 4 5x
- 4 3 x 7 2 5 7 9 x 4 13
- 2 15 x 7 4 x 5 9
- 9 7 3x 5 )= x 2 x 4
- 2 x 7 5 x 9 x 3 4 x 7 6
- 4 9 x 5 7 x 1 2 as a fraction in simplest form
- 2 3 x 4 5 x 6 7 x 8 9