Across
- 3. Under which operation rational numbers are not closed?
- 4. How many rational numbers are there which is own reciprocal?
- 6. Multiplicative inverse of a negative rational number is also.....rational number.
- 7. If a/b is a rational number then b can not be ......
- 8. The multiplication of a number by its reciprocal gives........
Down
- 1. Which allow you to compute 1/3×(5×7/9) as (1/3×5)×7/9?
- 2. The additive inverse of a negative rational number is always a ....... rational number.
- 5. Identity for multiplication of rational numbers.
- 6. Zero has .... reciprocal.