To solve the rational number formula: - 32 × (- 1 / 2) to the third power + (- 1 / 27) × (- 3) to the second power
-32 ×(-1/2)^3 + ( - 1/27) × (-3)^2
= - 32 × (-1/8) + (-1/27) × 9
= 4 - 1/3
= 11/4
RELATED INFORMATIONS
- 1. Finding the derivative of lgx + SiNx of y = C
- 2. The value of the derivative of the function y = x2lg2 + 2 to the x power lgx at x = 1 is
- 3. -What is the x-th derivative of 3?
- 4. (1) The third power of lgx = - 3 to find the value of X
- 5. Lgx power of x = 10 ball x
- 6. Let a and B be the two roots of the equation (lgx) ^ 2-lgx ^ 2-2 = 0. Find logab (note a is the subscript. B is the superscript. + logba (Note b is the subscript. A is the superscript) =?
- 7. Using dichotomy to find the approximate interval of the real root of the - x power - 2x + 5 = 0 of equation 2
- 8. If K is a positive integer and the equation (k ^ 2-1) x ^ 2-6 (3K-1) x + 72 = 0 about X has two unequal positive integer roots, find the value of K
- 9. On the equation of X, does the square of X, the square of X + 2aX + a = 4 have two unequal real roots? Why?
- 10. It is known that the equation (a + b) x ^ 2-2ax + a = 0 about X has two unequal real roots x1, X2, and the parabola y = x ^ 2 - (2a + 1) x + 2a-5 is the same as X axis It is known that the equation (a + 2) x ^ 2-2ax + a = 0 about X has two unequal real roots x1, X2, and the two intersections of the parabola y = x ^ 2 - (2a + 1) x + 2a-5 and the X axis are located on both sides of the point (2,0). (1) find the value range of the real number a; (2) find the value of a when the absolute value of X1 plus the absolute value of X2 is equal to two root signs 2
- 11. Given the M & # 178; - 3 power + m + 1 of the first-order function y = (m-2) x, several problems are raised to solve the function expression, To be complete We need to raise a few more questions
- 12. Verification: no matter what the real number of M is, the straight line (2m-1) x - (M = 3) y - (M-11) = 0 is constant over a certain point, and the fixed-point coordinates are obtained
- 13. There is only one root for the quick verification equation SiNx = X
- 14. SiNx = 1 / 2, find the expression of X
- 15. The equation: (1 / 2) ^ x + sinx-1 = 0 has several solutions Is there a solution less than 0?
- 16. Given that one root of the equation x2-ax + A-1 = 0 is greater than 0 and the other root is less than - 2, the value range of real number a is
- 17. If the two real number roots of the equation x2 + (M-3) x + M = 0 about X are unequal positive numbers, then the value range of real number m is______ .
- 18. When the value of K is, the equation (x-1) / X - (8x + k) / 2x (x-1) + X / (x-1) = 0 about X has and only one real number is its root? And the real root is obtained
- 19. The real root of the equation x2 + 2x + K + 1 = 0 of X is x1, X2 if X1 + x2-x1x2
- 20. If one of the roots of the equation x & # 178; - kx-6 = 0 about X is - 6, what is the value of the real number k?