Comparison of rational numbers: two numbers with different signs_________ The absolute value of two non negative numbers is smaller

The positive number of the different sign is large,

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1. What do we have in common with the square B 2c of a and the square B cube of a? (1) both__ Both are__ It's the same What is the common point between the square C of the square B of the monomial 2 A and the square B cube of a? (1) All of them__ Both are__ type
2. Find Lim x → 0 [x * (Cotx) - 1] / (x ^ 2) Thank you for the answer to this question. Urgent, online, etc.! ~ not many points, forgive me!
3. lim （x→0+）tan x/x=
4. Find the limit Lim ┬ (x → 0) &; ((Tan &; x-sin &; x) / ln &; (1 + x ^ 3)) lim┬(x→0)⁡〖(x-sin⁡x)/x^3 〗
5. lim(x→+∞) (2/π arctan X)^X
6. lim(x→+∞)〖x(π/2-arctan x)〗
7. What does the negative direction of LIM x tend to be 1 arctan [1 / ln (1-x)] equal to
8. Find Lim e ^ (1 / x ^ 2) * arctan ((x ^ 2 + 2-1) / (x + 1) * (X-2)) when x approaches 0, - 1,2
9. Can x → 0 Lim arctan (SiNx / x) be written as arctan LIM (SiNx / x)? Can Lim ln (SiNx / x) be written in this form? Why?
10. lim（x→0）（（arctan（x∧2））╱（sin（x╱2）sinx））
11. Comparing two negative numbers, the one with larger absolute value () and the one with smaller absolute value ()
12. The absolute value of a positive number is an integer, and the absolute value of a negative number is also a positive number. Is that right?
13. The absolute value of the number 5 is 5, which is itself; the absolute value of the number - 5 is 5, which is its opposite number; the above comes from the theorem that the absolute value of a non negative number equals itself, and the absolute value of a non positive number equals its opposite number______ The absolute value of negative number - B is______ The absolute value of negative number 1 + A is______ The absolute value of positive number - A + 1______ ．
14. If the sum of two rational numbers is negative, then the two numbers are positive and negative. Is the absolute value of negative large?
15. If a is a rational number, then | a | must () A. It's a positive number B. It's not a positive number C. It's a negative number D. It's not a negative number
16. A. The absolute value of any rational number is a positive number B. the absolute value of any rational number is not a negative number C. The absolute values of two opposite numbers are equal D. nine are away from the origin
17. A. the absolute value of an integer is a positive number B. the absolute value of a negative number is a negative number C. The absolute value of any number will not be less than 0 The absolute value of any integer is a natural number
18. The 50th power of negative 2 multiplied by the 25th power of negative zero 25 is equal to? Simple method, thank you
19. What is the 207th power of 0.125 times the 208th power of negative 8
20. The 208th power of minus two plus the 207th power of minus two is equal to?