How to calculate 0.45X = 0.25 (x + 16)?

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• 1. Calculation x △ 6 / 35 = 26 / 45 × 13 / 25 Note that 26 / 45 × 13 / 25 (× sign is not a division sign) gives a large number
• 2. How to calculate (1-1 / 4) × (1-1 / 9) × (1-1 / 16) × (1-1 / 25) × (1-1 / 36) × (1-1 / 49)
• 3. 1, 4, 9, 16, 25, 36, 49. The nth number is expressed as?
• 4. Given x = 1175, y = 2522, then the value of (x + y) 2 - (X-Y) 2 is equal to () A. 16B. 13C. 23D. 58
• 5. (x+y)^2-10(x+y)^2+25
• 6. If the square of X - 4xy + the square of 5Y + 6y + 9 = 0, find (2 / X to the power of 2011 * 1 / y to the power of 2013 equals 0
• 7. (y + 2) (Y-2) (the square of y-2y + 4) (the square of Y + 2Y + 4) Calculation of cubic and cubic difference formula
• 8. If the square of x times the square of Y minus 2XY plus 1 equals 0, then the relationship between X and Y is zero——
• 9. If LXL = 4, Lyl = 5, and LX YL = Y-X, find the values of X and y
• 10. Given the set a = {x, x 2, XY}, B = {1, x, y}, and satisfying a = B, find the value of real number x, Y & nbsp
• 11. Given (m-n) &# 178; = 9, (M + n) &# 178; = 1, then M & # 178; + n & # 178=
• 12. The perimeter of a semicircle garden is 51.4 meters. 50% of the garden is planted with rose. What is the area of rose?
• 13. There are 180 pots of lilac in people's Park, 15 pots less than 3 times the number of rose pots______ A basin
• 14. There are 60 rose flowers in the garden. Chrysanthemums are one third more than rose flowers. How many chrysanthemums are there
• 15. There are 24 more pots of rose than chrysanthemum in the park. The number of pots of rose is 3 times more than chrysanthemum, and there are two pots of rose and chrysanthemum in the park How many pots of rose and chrysanthemum are there in the park?
• 16. There are 365 pots of chrysanthemums in the park, 13 pots more than twice as many as roses. How many pots are there of roses? (solved by equation)
• 17. As shown in the figure, one side is against the wall, and the other three sides are surrounded by a 12 meter fence to form a rectangular (ABCD) flower garden. Then the functional relationship between the area s (square meter) of this flower garden and the length x (meter) of AB is______ ．
• 18. As shown in the picture, a 65 meter long bamboo fence is used to surround a flower garden on the open space near the wall. The area of the flower garden is______ Square meters
• 19. The diameter of a circular flower bed is eight meters. What is the inherent fence around it? How long is the fence? What is the floor area
• 20. The diameter of a circular flower bed is 6 meters, and the area of the flower bed is, the total length of the fence around the flower bed