Use - 2, - 3,4,5 to calculate 24 points

RELATED INFORMATIONS

• 1. Find the shadow area of parabola y = x square and y = 8-x square,
• 2. If the areas of the three faces with a common vertex in a cuboid are root 2, root 3 and root ⒍, then the cuboid volume is?
• 3. Given that point a is the left vertex of hyperbola x2-y2 = 1, point B and point C are on the right branch of hyperbola, and △ ABC is an equilateral triangle, then the area of △ ABC is___ ．
• 4. Given that the solution of the system {x + y = 5k-13x-2y = 7 satisfies the condition of X7, the positive integer value of K is obtained
• 5. How many meters is 0.1 micron?
• 6. Given that X and y are real numbers and X − 1 + 3 (Y-2) 2 = 0, then the value of X-Y is () A. 3B. -3C. 1D. -1
• 7. Parabolic equation with focus (1,0) and quasilinear x = - 2
• 8. How to calculate 0.2 times 0.7 times 50
• 9. X^2 dy/dx=2y^2+yx Find the original function. How to do ah. Urgent
• 10. Variance of a sample x1, X2, X3, X4 S^=1/4[(X1-3)^+(X2-3)^+(X3-3)^+(X4-3)^]=13 Find the sum of squares of the sample data
• 11. As shown in the figure, if the product of a point a on the image of the inverse scale function and the rectangle aboc enclosed by the coordinate axis is 8, then the analytical expression of the inverse scale function is______ ．
• 12. |1 / 1994-1 / 1993 + 1 / 1995-1 / 1994 - 1 / 1995-1 / 1993
• 13. Calculating two first order partial derivatives of Z = x ^ y + sin (XY)
• 14. What is the linear equation obtained by rotating the root of the line three X-Y + 1 = 0 around the point (0,1) by 30
• 15. How many different spelling methods are there to make a large rectangle (or square) with 36 squares of 1 square centimeter? (first draw a table and list them one by one, then answer the questions)
• 16. Find the minimum positive period of the function f (x) = 2sinxcos (x + 6 beats) - cos2x + m (1), (2) When x belongs to [negative quarter beat, quarter beat], the minimum value of F (x) is negative 3, find the value of M,
• 17. The diameter of round dining table is 2 meters, height is 1 meter, the square tablecloth that spreads on the tabletop all around just touches the ground, the area that seeks square tabletop
• 18. ∫（e,1） (ln x/x)dx=?
• 19. How many addition and subtraction methods do you learn in grade one of primary school?
• 20. Application of addition and subtraction in grade one mathematics