How much is the 3 / 2 power of 8 / 27? Is there a - 3 / 2 power of 8 / 27? How much is it? For example, please give the explanation and answer of the problem. What is the value of (1-0.5 to the power of - 2)?

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• 1. The power a of (3 / 2) multiplied by the power B of (8 / 27) De is equal to 2 / 3, and the value can be obtained from a-2b + 2
• 2. Given a + B = 7, ab = 5, find the value of (a-b) square
• 3. Given a + B = 5, ab = 7, find the square of a, B + the square of ab-a-b
• 4. Formula: (one half of the square of AB) third power
• 5. Given the quadratic power of a + AB = 10, the quadratic power of B - AB = 7, find the quadratic power of a + 2ab-b
• 6. Let a + B = 10 and ab = 7. Then the square of a and the square of B + AB =?
• 7. In the rectangular coordinate system, there are four points a (- 6, - 3), B (- 2, - 5), C (0, m), D (n, 0). When the perimeter of the quadrilateral ABCD is the shortest, the values of M and N can be obtained
• 8. 7:35, 2:25, 4:20, 9:08? There are two versions
• 9. There is a detailed process to find the slope of the following lines and the intercept X / 3 + Y / 7 = 1 on the y-axis
• 10. F (x) = cosx + SiNx, it is proved that a belongs to (0,0.5 π) such that f (x + a) = f (x + 3a) is constant
• 11. The domain of F (x + 3) is [2,3], (1) the domain of F (x); (2) the domain of F (X-2)
• 12. 1. Given that the domain of F (x + 1) is [- 1,1], then the domain of F | x + 1 | is the process and method of? - (3,1) 2. Given the function f (x) = 1 / 2x ^ 2-x + 3 / 2, whether there is a real number m, so that the domain of definition and range of value of the function are [1, M] (M > 1)? If there is, request m m = - 3, 1 / 2x ^ 2 is the square of half X
• 13. Mathematical problem of senior one: it is known that y = f (x) is an increasing function in the domain (- 1,1) and f (1 + a) is less than f (A2-1) (A2 represents the square of a, then the range of a is
• 14. (1 + 2 + 3 + 4 +... + 98 + 99 + 100) / 5 is equal to?
• 15. If A-B = 5, the square of a + the square of B = 17, then AB = a + B=
• 16. If the three sides a, B and C of a triangle are suitable for A2 (B-C) + B2 (C-A) + C2 (a-b) = 0, then the shape of △ ABC is () A. Right triangle B. isosceles triangle C. isosceles right triangle D. equilateral triangle
• 17. If three sides a, B and C of triangle ABC satisfy (a-b): (C-B): (a + b) = 7:1:18, the shape of the triangle is judged There is a reasoning process
• 18. The length of the three sides of a triangle is ABC. If a and B are equal to 10, AB is equal to 18, and C is equal to 8, judge the shape of the triangle,
• 19. It is known that a, B and C are the three sides of △ ABC. It is proved that | a + B-C | + | a-b-c | = 2B Such as the title
• 20. In △ ABC, we know that a, B and C are angles, a, B and C are opposite sides, a and B are acute angles, and cos2a = 3 / 5, SINB = 10 / √ 10, C = √ In △ ABC, it is known that a, B and C are angles, a, B and C are opposite sides, a and B are acute angles, and cos2a = 3 / 5, SINB = 10 / √ 10 C = √ 5 for ABC area