21 out of 22 divided by 12, 9 out of 8 divided by 4

RELATED INFORMATIONS

• 1. Three out of eleven times eight, nine out of 22?
• 2. What is 8 out of 12 and 21 minus 1 out of 2 minus 2 out of 4?
• 3. (minus 6) times (minus 22 / 7) plus 18 times (minus 22 / 7) minus 5 times (22 / 7) Must add process!
• 4. Use 18.19.20.21.22.23.24.25.26 to make the sum of all lines equal to 66
• 5. -23-22-21-20-19.-1=? How to do it with regularity
• 6. 47 × 45 / 46 + 22 × 22 / 23 by simple method
• 7. How is 11 equal to 22
• 8. Why is 11 plus 11 equal to 22?
• 9. Two fifths of 80 is equal to eight fifths of ()
• 10. What is minus 15 plus minus 23?
• 11. What is the equivalent of 3:7 1 × 22:21 × (3:7 1-7:3 1) × (- 22:7)
• 12. How many parts is one minus three seventh and five twelfth
• 13. 7 out of 9 minus x equals 4 out of 27?
• 14. 7.5 times x equals (46 minus x) times 5.9
• 15. Seven out of two times two out of seven minus 4x is one out of two
• 16. Solve the equation. X + 3.2 = 4.64x-3 × 9 = 29 (x-3) △ 2 = 7.5
• 17. On the quadratic trinomial of X, x square + PX + P can be decomposed into (x-1) (x + 6), and the value of P + 3q-2 can be obtained
• 18. For the square of quadratic trinomial x minus 10x plus 36, Xiao Cong made the following conclusion: no matter what real number x takes, its value can not be equal to 12. Do you agree with him? Explain your reasons
• 19. If the quadratic trinomial X & sup2; + PX + P-1 about X is a complete square, then p= RT
• 20. What is minus 19 plus 17?