The second power of 10A + 8A + the second power of 7a + 5a-6 What is after merging the same category

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• 1. Given a ^ 2 + B ^ 2-8a-1b + 41 = 0, get the value of 5a-b ^ 2 + 25
• 2. Is the merging congener of the second power of 10A + 8A + the second power of 7a + 5A - 6 the second power of 13A + 17a - 6?
• 3. Let a and B be the two sides of a triangle, and let a square plus b square minus 8A minus 10B plus 41 = 0?
• 4. Square of (5a + 2b) - 9b square
• 5. Square of (a + 5a) square of - (5a + 25)
• 6. There is a series of monomials: the second power of X, the third power of negative 2x, the fourth power of 3x, and the fifth power of negative 4x. Their laws? 2008, the monomials of N? But it's three o'clock today
• 7. If the polynomial 4A ^ 2 + 1 plus a monomial form becomes a complete square form, what can the monomial form be?
• 8. If the polynomial 4A ^ 2 + 1 is added with a monomial to make it a complete square, then the added monomial can be (fill in one that you think is correct)
• 9. If | a + 2 | + [(B-3) square] is equal to 0, find the value of 3AB - (4B Square),
• 10. If the square of | a + 2 | + (B-3) is 0, find the value of 3ab-4b (square)
• 11. Merge similar items 2a-3a + 3 / 2A =?
• 12. Given the square of (2a-1) + [B-2] = 0, find the value of cube of a + cube of B
• 13. It is known that a = {x-4 ＜ x ＜ 6}, B = {x 3a ＜ x ＜ a, a ∈ r}, 1. If a ∩ B = empty set, find the value range of real number a; 2. If a ∪ B = a, find the value range of real number a
• 14. Set P = {X / A + 1 ≤ x ≤ 2A + 1}, Q {- 2 ≤ x ≤ 5} 1) If a = 3, find the set (cup) ∩ Q: 2) If P is a subset of Q, find the value range of real number a
• 15. The known set a = {x | (X-2) [x - (3a + 1)]
• 16. If and only if the absolute value + B of F (x) = x (SiNx + a) is odd? The answer is a ^ 2 + B ^ 2 = 0
• 17. 2.5 times of a number is 12 less than 5 / 8 of 20. What's the number
• 18. 2 / 1, - 3 / 2,4 / 3, - 6 / 5,9 / 8. Permutation rule and general term formula
• 19. Number reasoning Question 5: 1,4,7,2,8,3, (), 9 A．6 B．5 C．2 D．1 What to choose
• 20. (- 9 and 1 / 3) - | - 4 and 5 / 6 | + | - 0-5 and 1 / 6 | - 2 / 3