(1) What is the ratio of 1 / 2 of 2 / 7? What is the ratio of 5 / 9 to 1 / 3? (1) What is the ratio of 1 / 2 of 2 / 7? (2) how many times is 5 / 9 of 1 / 3? (3) how many times is 4 / 4 multiplied by 3 / 10?

RELATED INFORMATIONS

• 1. If a is 5 / 9 of B and B is 2 / 3 of C, how much less is a than C and how much is a (B plus C)?
• 2. 6 and a third = a few thirds = five and a few fractions = five and a few tenths
• 3. 5 is a fraction of 20, a quarter of 20 is a third of 60
• 4. How many parts of a decimeter is 5cm?
• 5. Four out of 25 is a fraction of nine out of five
• 6. If 1 / 6 of the number is equal to 3 / 5 of the false number, what is 3 / 9 of the false number equal to?
• 7. What is 1 / 12 of 5 / 8?
• 8. 68% = ()% = (): () = fraction
• 9. 8 out of 12
• 10. Divide 5kg into 8 parts, each part is a few parts of 5kg
• 11. What's the percentage of 3 out of 5 that is 9 out of 10?
• 12. 1 / 5 + 5 / 7 - 3 / 7 + 4 / 5 is equal to several parts
• 13. 3.5 = fraction
• 14. One fifth of three tons is a fraction of a ton, a fraction of a ton
• 15. What is the maximum true fraction of a molecule 1?
• 16. The product of the numerator and denominator of a simplest fraction is 36. What is the number? Urgent ······ urgent
• 17. The maximum true fraction of molecular time 1
• 18. The sum of the numerator and denominator of a simplest fraction is 18. Which fraction is the largest
• 19. 15:5 3x [- 0.75] x [- 3:9 5x [- 13:5] =?
• 20. One job, originally planned to be completed in 10 days, was actually completed in 8 days, and the working time was shortened______ %, work efficiency improved______ %．A.12.5   B.20   C.25   D.10．