| 1. | The sum of any two elements has an even number of prime factors .
其中任何两个元素之和有偶数个素因子。 |
| 2. | Prove that if n is not a square then it has an even number of divisors .
证明：若n不是完全平方数，则n有偶数个因数。 |
| 3. | If a rectangle can be covered using these tiles then covering uses an even number of tiles .
如果一个矩形可用这种瓷砖盖住，那么所有的瓷砖一定是偶数。 |
| 4. | A big even number as the sum of two odd prime numbers
大偶数可表示为两个奇素数之和 |
| 5. | Round toward nearest even number if equidistant
舍入为最接近的整数（若等距则为偶数） |
| 6. | All the even numbers except 2 are sum numbers
除2外,所有的偶数都是合数。 |
| 7. | Must be an even number of hexadecimal digits
必须是偶数位的十六进制数。 |
| 8. | Data types , this must be an even number
数据类型，它必须为偶数。 |
| 9. | Check code : none , odd number , even number
校验码：无，奇，偶 |
| 10. | Abstract : an odd number plus another odd number equals an even number
文摘:双奇数相加等于一个偶数。 |
