| Sum | Answer |
| 1+1 | |
| 7+9 | |
| 8+4 | |
| 19x2 | |
| 98-79 | |
| | Sum | Answer |
| 987-654 | |
| 17-8 | |
| 14-7 | |
| 783-84 | |
| 0x1 | |
| | Sum | Answer |
| 9^3 | |
| 4^4 | |
| 9+4x3 | |
| 7(9x14) | |
| 238% as a decimal | |
| | Sum | Answer |
| 7x3^2 | |
| prime decomposition of 987 | |
| 0.63x20 | |
| factorise 4y+2x | |
| prime decomposition of 78 | |
| | Sum | Answer |
| 17x+4=72 x=? | |
| factorise 77x+84z | |
| 4! | |
| factorise 846x+3y | |
| 6! | |
|