SUBTRACTION
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Subtraction sums are also difficult to solve when 0 is one of the digit.
Subtraction and division are similar in nature and both these mathematical
technique are difficult when 0 is involved. Multiplication and addition are
pretty straight forward and easy to solve.
| 1 | 9 | 10 | ||
| 9 | ||||
|
- |
1 | 9 | 8 | 1 |
| 0 | 0 | 2 | 8 |
Here is similarly slightly difficult subtraction sum.
|
|
4 | 14 | 9 | 15 | ||||
|
- |
3 | 9 | 5 | 9 | ||||
| 1 | 5 | 4 | 6 |
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