A is a rational number. Must 10A be greater than a? Must a third of a be less than a? Be specific
Not necessarily. A can be zero or negative
RELATED INFORMATIONS
- 1. A is a rational number. Must 10A be greater than a? Must a / 3 (a third) be less than a?
- 2. The new definition calculation (a △ B = 10A power X 10B power) is listed as 3 △ 4 = 10 ^ 3 * 10 ^ 4 = 10 ^ 7 (1) Find the value of 3 △ 7 (2) Is (m △ n) △ P equal to m △ n △ p? Please explain why
- 3. The value to the 13th power is? If the new operation m * n = mn-m-n + 1 is defined, then when a * b = 0, the value of power 2012 of (A-1) and power 2013 of (B-1) is
- 4. New definition calculation (a △ B = 10A power X 10B power) verification: (m △ n) △ P is equal to m △ (n △ P) Define an operation: a △ B = 10A power, x10b power, for example: 3 △ 4 = 10 & # 179; X10 power From the meaning of the title, we can get: to verify whether (m △ n) △ P is equal to m △ n △ P
- 5. If we define the power a of a ⁃ B = 10, the power B of * 10, and the power B of a ⁃ B = (the power a of 10), we calculate the values of the following formulas (1)、(4※3)×(2☆5);(2)、(3※5)×(6☆3) Given the square of (a + 1) + | B-2 | + (1 / 2 + C) = 0, find the value of the cube of (- 2 / 3a, the square of C) and (4 / 3a, the square of C) × (- A, the square of B)
- 6. If we define a new operation "*" and a * b = B power of a - a power of B, then 4 * (3 * 2)?
- 7. It is stipulated that * is an operation symbol, a * b = B power of a - a power of B, try to calculate 3 * 2
- 8. It is stipulated that * is a kind of operation symbol, a * b = B power of a, and 3 * 2 = ()
- 9. A = (0.0 ····· 025) 2000 zeros, B = 0. (0 ····· 0) 16 2001 zeros, try to find a + B, a-b.a · B.A divided by B
- 10. a*0.01=(a-200)*0.25 For example, find the value of A a*c=(a-b)*0.25 Find a a*c=(a-b)*0.25 a*c=a*0.25-b*0.25 0.25*a-a*c=b*0.25 a*(0.25-c)=b*0.25 a=b*0.25/(0.25-c) I feel like it's wrong a×0.01=(a-200)×0.25 0.01a=0.25a-50 0.24a=50 a=625∕3 How does a = 625 / 3 625 come from, and how does 3 come from? a*c=(a-b)*0.25 ac=0.25a-0.25b (1-0.25)a=-0.25b-c 0.75a=0.25b-c A = (1 / 3) B - (4 / 3) C the French version of 123 According to the above formula, C = 0.01, B = 200, the result is a = 66.65 But the result is a = 208.33, which seems to be wrong
- 11. The sum of two rational numbers must be greater than each addend Answer the above question urgently
- 12. If two rational numbers are added, is the sum greater than each addend? If two rational numbers are subtracted, is the difference less than the subtracted? Please explain the reason
- 13. If two rational numbers are added, is the sum greater than each addend? If two rational numbers are subtracted, is the difference less than the subtracted? Please explain the reason
- 14. If two rational numbers are added, is the sum greater than each addend? If two rational numbers are subtracted, is the difference necessarily less than the subtracted? Please explain the reason
- 15. Is the sum of two rational numbers greater than the sum of two addends
- 16. Use 100 cm fence to form a round field. Please judge whether the area of the field is rational? Please explain the reason Well, I'm a student,
- 17. If two non-zero rational numbers a and B satisfy the relation a + B = 0, can you judge whether their product a * B is positive or negative? If so, please explain the reason
- 18. Judgment: for any rational number, there are (a + b) 178; ≠ A & # 178; + B & # 178; But what if a and B are equal to 0 and 1 respectively?
- 19. If n is known to be a rational number, does the value of quadratic trinomial n & # 178; - 4N + 5 have a maximum or a minimum? Please explain why Detailed answer steps. I am a student, 20 points reward!
- 20. As shown in the figure, AEB = NFP, M = C, judge the size relationship between a and P, and explain the reason