If a ＜ 0, - 1 ＜ B ＜ 0, then a, AB, AB & # - 178

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• 1. Common formulas of power operation
• 2. The significance and law of the n-th power of 10
• 3. What is the meaning and law of the n-th power of 10
• 4. The solution of inequality loga ^ (x ^ 2-5x + 6) & lt; loga ^ (2x-2) 0 & lt; a & lt; 1 for | x + B | & lt; 3 is known
• 5. Solving inequality 2x & lt; X-5
• 6. 2 (x + 3) & lt; 3-5 (X-2) 3 / x + 1-2 / 2x + 1 & lt; 1 solution inequality
• 7. Let a > 0, a ≠ 1 and f (x) = loga (x2-2x + 3) have the minimum value, then the solution set of inequality loga (x-1) > 0 is______ ．
• 8. If the solution set of X + a ≥ 2 and 2x-b ≤ 3 is 0 ≤ x ≤ 1, then the value of a + B is 0 See clearly! The solution set is 0 ≤ x ≤ 1!
• 9. Xiao Ming divides a number by 8 and regards it as multiplying by 8. The result is 179. What's the correct answer?
• 10. Xiao Ming regards a number divided by 1 / 4 as multiplying by 1 / 4, and the result is 2 / 9. What is the correct result
• 11. Given that a ＜ 0, - 1 ＜ B ＜ 0, try to arrange a, AB, AB in the order from small to large
• 12. If - 1 ＜ a ＜ 0, then a, 1a and A2 are arranged from small to large______ ．
• 13. If a < 0, - 1 < B < 0, then the order of squares of a, AB, AB from small to large is
• 14. (- 5A's M + 1 power, B's 2m-1) * (2a's n power, B's M power) = - 10A's 4 power, B's 4 power. Then M-N =?
• 15. If (the second power of a-3a-1) + a = the second power of A-A + 4, then a=______
• 16. If the third power of polynomial (m-n) x - the second power of X + x-n is a binomial expression about X, find the opposite number of the difference between M and n
• 17. Given the square of a + 10A + 25 + (B-3) square = 0, find the algebraic formula B ^ 4 / [A-B] ^ 2 * a ^ 3 + AB ^ 2-2a ^ B / b ^ 3 / [b ^ 2-A ^ 2] / AB + B ^ 2
• 18. Given 8A ^ 3B ^ m divided by 28a ^ n of B ^ 2 = 2B ^ 2 of 7, find the value of M, n (2) If 10 ^ a = 20, 10b = 5 ^ - 1, find 9 ^ a divided by 3 ^ 2B
• 19. There is a reaction a + 2B → 3C + 4D as follows. It is known that the sum of mass of a and B is 18G and the mass ratio of C to D is 4:5 How much is C
• 20. If 2A + B = 0, then | A / | B | - 1 | + | a | / B-2 |, is equal to (). A, 2b, 3C, 4D,