If the absolute value of a is equal to a, then what number is a: if the absolute value of a is greater than a, then what number is a?

Non negative number

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1. If the absolute value of a number is 3.4, then the number is equal to ()
2. What is the number whose absolute value equals itself?
3. According to the meaning of the power, we can get that the second power of 4 = 4 * 4, the third power of 4 is equal to 4 * 4 * 4, then the second power of 4 multiplied by the third power of 4 = (4 * 4) * (4 * 4 * 4) = (4 * 4 * 4 * 4) *4 is equal to the fifth power of 4. Calculate the cubic of the following formula 6 times the fifth power of 6, the m-cube of a, and the nth power of A
4. According to the meaning of power, the quadratic power of 4 = 4 * 4, the cubic power of 4 = 4 * 4 * 4, then the cubic power of 4 quadratic power * 4 = (4 * 4) * (4 * 4 * 4) = 4 * 4 * 4 * 4 = 4 Then the cubic power of 4 quadratic power * 4 = (4 * 4) * (4 * 4 * 4) = the quintic power of 4 * 4 * 4 * 4 = 4, so as to calculate the m power of a and the n power of a (m, n is an integer)
5. From the meaning of power, we can see that: 2 ^ 3 * 2 ^ 4 = (2 * 2 * 2) * (2 * 2 * 2) = 2 ^ 7, please use this method to simplify the cubic power of 4 and the cubic power of B c'mon
6. What is the meaning of the 0.5 power of 5? How to calculate it? I mean the power What about 0.8 power
7. As follows: calculate the second power of (- 2), the second power of 2, the third power of (- 2), the third power of 2 Calculate the second power of (- 2), the second power of 2, the third power of (- 2), and the third power of 2. In connection with the power of such specific numbers, do you think the following formulas hold when a < 0? 1. The square of a > 0.2. The square of a = - A 3. The square of a = - the square of a 4. The third power of a = (- a) the third power Note that 2 is not the same as 3, one is the opposite of the square of a, the other is the square of (- a)
8. Given the absolute value of A-4 + the absolute value of B-8 = 0, find the value of a + B divided by a times B
9. Given that the absolute value of a is 8, the absolute value of B is 4, and the absolute value of a + B = - A-B, try to find the sum of all the values of a + B
10. Given that ab ≠ 0, and a, B are different signs, try to compare the absolute value of a in a with that of B in B
11. The difference between the opposite number of 2 and 3 / 4 and the number with absolute value of 5 and 1 / 4 is
12. The absolute values of 4.8, 0, negative 5 and 1 / 2 are () respectively, and the number with absolute value of 5 is The absolute values of 4.8, 0, negative 5 and 1 / 2 are () respectively, and the number with absolute value of 5 is ()
13. If the absolute value of x = 2, then the number is half a, and the absolute value of a = negative half a, then a must be half a?
14. Given that the square root of 2a-1 is ± 4, the cube root of 3A + B-1 is 3, find the cube root of a-b
15. If the cube root of 2A + 19 is 3, find the square root of 3A + 4
16. Given that the cube root of a number is 3-2a-4 and 4-3a + 7, find the number
17. A simplest fraction, if the numerator plus 1, the fraction is 23; if the denominator plus 1, the fraction is 12, the fraction is 23______ ．
18. Multiply the numerator of a simplest fraction by 3 and divide the denominator by 3 to get 1.2?
19. If C and B are opposite to each other and C and D are reciprocal to each other, then the value of a + b-2cd is
20. 1. If a and B are opposite, C and D are reciprocal, and C = - 1, find the value of | C | = 2cd-100 (a + b) 2. If the positions of a, B and C on the number axis are shown in the figure below, the formula is simplified as | a | - | B-C | + | C| ----------------------》 a b 0 c