2000 is a leap year______ (judge right or wrong)

2000 △ 400 = 5, so 2000 is a leap year

RELATED INFORMATIONS

1. Why do the maximum and minimum temperatures on land and sea appear at different times
2. First simplify and then evaluate [[(x2 + 2x + 1) / (x + 2)] / [(x2-1) / (x-1)] - 1 / (x + 2), where x = √ 2-2
3. 1 / 1 [1 times 2] + 1 / [2 times 3] + 1 / [3 times 4] + 1 / [4 times 5] + +How much is 1 / [2005 times 2006]
4. How many hours and minutes is 10000 seconds?
5. Calculation: 76 × (123 − 153) + 23 × (153 + 176) − 53 × (123 − 176)=______ ．
6. 375 = () divided by 16 = (): 8 = ()% = () 9 / 10
7. (- 29 and 18 / 17) * 36 calculation requires a simple method
8. What is 15 times 20 divided by 1 / 30?
9. Calculation: 27 degrees, 42 minutes, 30 seconds + 1070 minutes; 63 degrees, 36 minutes - 36.36 degrees, hurry, if correct, add 50, hurry
10. Known: as shown in the figure, in the plane rectangular coordinate system xoy, the side length of square ABCD is 4, its vertex a moves on the positive half axis of X axis, and vertex D moves on the Y axis (points a and d do not coincide with the origin), B and C are in the first quadrant, diagonal AC and BD intersect at point P, connecting Op Q: when OA
11. Given that the point P is a point outside the circle C: x ^ 2 + y ^ 2 = 1, let K1 and K2 respectively pass through the slope of the two-day tangent of the circle C of point P. if the point P coordinates are (2,2), find the value of K1 * K2 I'm in a hurry
12. If a point a (4,0) outside the circle x2 + y2 = 4 is used as the secant of the circle, then the trajectory equation of the midpoint of the chord whose secant is cut by the circle is______ ．
13. As shown in the figure, in the plane rectangular coordinate system, the endpoint coordinates of line AB are a (- 2,4), B (4,2), and the line y = kx-2 has an intersection with line ab Then the value of K cannot be a-5b-2c3d5
14. It is known that M is a point of hyperbola x ^ 2 / 12-y ^ 2 / 4 = 1 in the first quadrant, and f1.f2 is the left and right focus respectively If the absolute value of MF1 is greater than that of MF2 = 3, then the coordinates of point m are
15. The equation of a circle whose center is on the parabola y ^ 2 = 2x and whose quasilinear and X-axis are tangent
16. If the line L passing through point a (4,0) and the square of the curve (X-2) + the square of y = 1, what is the range of the slope of the line l If the line L passing through point a (4,0) and the square of curve (X-2) + the square of y = 1, what is the range of the slope of line l
17. In triangle ABC, a = 4, B = 1. Angle c equals 45 degrees. What is the area of triangle ABC
18. In regular tetrahedral oabc with edge length 1, if point P satisfies vector OP = x vector OA + y vector ob + Z vector OC, and X + y + Z = 1, then what is the minimum value of modulus of vector OP? It is related to the combination of number and shape
19. Distribution areas of 11 climate types I need it urgently,
20. What is the purpose of making lever level balanced before the experiment of "exploring lever balance conditions" in junior high school physics experiment?