![](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 72 71" width="72"></svg>)
The arithmetic square roots of 0.4 are () a, 0.2 B, ± 0.2 C, D, ±
B
RELATED INFORMATIONS
- 1. When x=____ The values of equations 6-2x + 2 and 4-x + 11 + X are opposite to each other
- 2. Equations 3x + 4Y = 7 ① 6x-2y = 11 ②
- 3. The five numbers 03568 make up the three digit number without repetition. How many even numbers are made by permutation and combination
- 4. Given that the quadratic power of a plus a times b equals minus ten, and the quadratic power of B plus a times b equals 14, find the value of a times B
- 5. The solution of the equation 2x + 3Y = 9 can be obtained according to the following conditions: (1) the value of X and the value of Y are opposite to each other; (2) the value of X is three times of Y
- 6. X-4 / 3x = 8 solution equation
- 7. How many five digit numbers can be formed with 0, l, 2, 3, 4, 5? Five odd? Five even? The answer is 600 3240 3240
- 8. If the negative power of X + X is 3, what is the square of X + the negative power of X?
- 9. It is known that the equation (K's Square-1) x's Square-6 (3K-1) x + 72 = 0 has two unequal real roots, so we can find the value of K
- 10. 3 / 4 x △ 2 = 3 solution equation
- 11. How many 4-digit numbers are there in 123456
- 12. Solve the equation (3x + 5) (3x-5) + 6x = - 26 2Y ^ 2 + 4y-3 = (2Y + what) ^ 2-5
- 13. We know the equation 2x & # 178; + (K & # 178; + K-6) x + 2K = 0 about X. if its two numbers are reciprocal to each other, then k =. If its two numbers are opposite to each other, then k =. Please be more detailed. This problem is about Weida's theorem
- 14. The side length of a square with an area of 19 is x, and X is the () arithmetic square root of 19 ()
- 15. Use 123456 six digits to form four digits without repetition, which is the common multiple of 9?
- 16. What is the solution of 6x-1 / 2 = 1 / 2-1 / 3x-2
- 17. Given that two of the equations X & # 178; - 5K + k = 0 are reciprocal to each other, find K
- 18. The origin of the concept of square root is related to the square in geometry. If the area of a square is a, what is the side length of the square The origin of the concept of square root is related to the square in geometry. If the area of a square is a, what is the side length of the square?
- 19. How many three digit numbers can be made up of 1, 2, 3, 4, 5 and 6, which have no repetition and whose individual digit is 5?
- 20. What is 3x × 6x? 3x times 6x