How to prepare for the party
make preparations for
RELATED INFORMATIONS
- 1. 1949∧2—1950∧2+1951∧2—1952∧2+…… +1997∧2—1998∧2
- 2. N and V after English words
- 3. Y '+ y = 3x for general solution of differential equation
- 4. All the English words about musical instruments in volume one to volume two of junior high school There are also words to describe people, appearance, character and so on
- 5. The function y = xcosx is () A. Odd function B. even function C. both odd and even D. non odd and non even
- 6. When 0 ℃ ice melts into water, its volume shrinks due to the constant temperature. Why does the intermolecular distance decrease and the internal energy increase?
- 7. What is SGN
- 8. Set a = [1,2], B = {x | 2x ^ 2-ax + 1 > 0}, if a ∩ B is not equal to the empty set, then the value range of real number a is? If a is really included in B, then the value range of a is? RT
- 9. If the solution set of inequality x + | 2x-1 | < A is φ, then the value set of real number a is___ .
- 10. Given that inequality 2a-5x > 2x-1 holds for any x ∈ [0,1], then the value range of real number a is? Please provide a variety of solutions
- 11. It is proved that f (x) = √ (x ^ + 1) - x is a decreasing function in the domain of definition
- 12. How many boats did you hire? How many students did you have?
- 13. Does "every boys and every girls" have this usage? If so, do you use the singular or plural as the subject predicate verb? I know each is singular
- 14. Childhood fun, to be with mom and dad in childhood fun Within 100 words
- 15. Can direct coupled amplifier amplify AC signal? Why?
- 16. The fruit supermarket transported 400 kg pears and 12 baskets of apples, 112 kg more than apples, how many kg per basket of apples on average
- 17. Car a and car B leave 368 kilometers away from each other. When they meet, the ratio of the distance traveled by car a to that traveled by car B is 9:7, and car a and car B have more than two rows Using equation and proportional solution
- 18. The distance between the two places is 360 km. Car a starts from place a and goes to place B, driving 72 km per hour. 25 minutes after car a starts, car B starts from place B and goes to place a, driving 48 km per hour. After the two cars meet, they continue to drive at the speed of their own will. Then the distance between the two cars is 120 km. How long does it take car a to start Solving the equation
- 19. What are the general components of bridge construction
- 20. A truck drives from place a to place B at the speed of 30km / h. one hour after starting, a car also drives from place a to place B at the speed of 50km / h. it arrives at place B half an hour earlier than the truck. Find the distance between a and B