How many times 200 and 300 can be equal, and the sum of the times equals 900
540 and 360
RELATED INFORMATIONS
- 1. 4、 9 divided by [6 / 7 (1-2 / 5)] = 35 kg. What is the symbol after 6 / 7?
- 2. 4.78 divided by 0.2 + 3.44, there are 3.6-0.6 * 2 and 3.6-3.6 * 0.8
- 3. 2 divided by (x-1) = 3 divided by (x + 1) equation
- 4. [math problem 3 ^ 2-1 = 8 = 8 * 1; 5 ^ 2-3 ^ 2 = 16 = 8 * 2; 7 ^ 2-5 ^ 2 = 24 = 8 * 3; 9 ^ 2-7 ^ 2 = 32 = 8 * 4
- 5. Verification: A2 + B2 + 1 ≥ AB + A + B
- 6. If x > 0, Y > 0 and X + y = 5, then the maximum value of lgx + lgY is 0______ .
- 7. If a and B are the two roots of the quadratic equation x ^ 2 + (M + 2) x + 1 = 0 with respect to x, then what is the value of (1 + Ma + A ^ 2) (1 + MB + B ^ 2)
- 8. The sum of two prime numbers is 99. What are the two numbers?
- 9. As shown in the figure, in the diamond ABCD, ∠ a = 60 °, points P and Q are on edges AB and BC respectively, and AP = BQ Given ad = 3, AP = 2, find the length of PQ
- 10. As shown in the figure, in the trapezoidal ABCD, ad ∥ BC, AC and BD intersect at O, and parallel lines passing through o intersect AB and CD at e and f respectively. (1) prove that OE = of; (2) if ad = 3, BC = 4, find the length of EF
- 11. 1 / 36 times 9 / 18 =?
- 12. If 8 * 8 = 54, what is 9 * 9
- 13. The number 7.2 less than 9.5 times x is () the quotient of X divided by 9 and the sum of 8.4( The sum of the quotient of X divided by 9 and 8.4 is ()
- 14. 7 out of 8 + 5 out of 12 + 9 out of 8=
- 15. What is the quotient of a number 37.5% less than 32 divided by the reciprocal of 1.5
- 16. -19 and 17 / 18 * (- 36) {- 7 / 12 + 3 / 4-5 / 6 - (- 5 / 18)} * (- 36)
- 17. An old man said, "add 17 to my age and divide it by 4. Subtract 15 and multiply it by 10. It happens to be 100 years old.",
- 18. What's the difference between 7 / 15 divided by 2 / 3 divided by 3 / 4 and the starting number? Why
- 19. (- 7 and one eighth) + (- 3.37) + 6 and one fourth + 2.125 + (- 0.25) + (- 2.63)
- 20. How much time does it take sb. To do sth