Calculate with square difference formula (2a-1/3b)(-1/3b-2a)

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• 1. Calculate with multiplication formula:(2a+3b-c)2 Calculated by multiplication formula:(2a+3b-c)2
• 2. For rational numbers a and b, define the operation a△b=3a+b/a-3b, and calculate (-2)△[7△(-6)] How did you get this formula! Okay,100. For rational numbers a and b, define the operation a△b=3a+b/a-3b, and calculate (-2)△[7△(-6)] How did you get this formula! Okay,100 points.
• 3. For rational numbers, we define an operation "()" such that a () b=3a+b/a-3b, and value of (-2)()[7()(-6)]. For rational numbers, we define an operation "()" such that a () b=3a+b/a-3b, and find the value of (-2)()[7()(-6)].
• 4. What is the value of (-5)()(+4)()(-3) if the operation "()" is defined as follows for any rational a.b: a () b=ab +1?
• 5. Given that ab satisfies the value of 2a+8+│-root number 3│=0, find the value of (a+2) x+b^2=a-1
• 6. 365Th power of 1.01≈37.3 What is the meaning of ≈0.33 to the 365th power of 0.99?
• 7. Given the second power of x-5X+1=0, find the second power of X+1/X
• 8. If the third power of the square of 1+x+x =0, find the value of the third power of the square of x+x+x+...+x2000. If the third power of the square of 1+x+x =0, find the value of the third power of the square of x+x+x+...+x to the second power.
• 9. If a, b are rational numbers, and the absolute value of a-6+(3b+6)2=0. Find the value of a+b
• 10. If the length of the ABC side of a triangle is a, b, c, the square of a-a+ the square of ab-ac+ the square of bc-b=0, the shape of the triangle ABC Come on! It's due tomorrow. Thank you!
• 11. In the original algorithm of rational number, the following new operation symbol "△" is added: when a > b, a△b=2b; when a≤b, a△b=3a Then when x=4, the value of (3△x)*x-(5△x) is ("." and "-" are still multiplicative sign and minus sign in rational operation) In the original algorithm of rational number, the following new operation symbol "△" is added: when a > b, a△b=2b; when a≤b, a△b=3a Then when x=4, the value of (3△x)*x-(5△x) is ("." and "-" are still the multiplication sign and subtraction sign in rational operation)
• 12. Calculation of (2a+3b)(3a-2b) square difference formula
• 13. How to calculate (3a+2b+8c)+(2a-3b-5c) And (2xy+x squared-y squared)-(x squared-3xy) There must be a calculation process Urgent, And 3x squared -[5x+(4x-5)-9x squared
• 14. We know that a is the largest negative integer, b and c are rational numbers, and the square of |2+b|plus (2a+3c) is equal to 0. Find the value of the following formula. 1. The square of a plus the square of b plus the square of c 2.Ab plus BC minus ac We know that a is the largest negative integer, b and c are rational numbers, and the square of |2+b| plus (2a+3c) is equal to 0. Find the value of the following formula. 1. The square of a plus the square of b plus the square of c 2.Ab plus BC minus ac
• 15. If a is a rational number, then the value () of the entire equation a2(a2-2)-2a2+4 A. Not negative B. Constant is positive C. Constant negative D. Not equal to zero
• 16. Let a, b, c be rational numbers and satisfy (a+b+c-6)2+(2a+3b+c-11)2+(3a-b-c+2)2=0.
• 17. If the square of a + a +1=0, then the 2009 power of a + the 2008 power of a + the 2007 power of a = More clearly, If the square of a + a +1=0, then the 2009 power of a + the 2008 power of a + the 2007 power of a = It is more clear,
• 18. If the rational number corresponding to the point a on the number axis is minus 2 and half, then what is the rational number corresponding to the point 5 length units from the point a
• 19. A*b=2a-3b-1 Find the value of [2*(-3)]*(-4) It's all asterisks, not multiplication.
• 20. If the square of [a-1]+ the absolute value of [b+1] is equal to 0, the 2006 power of a + the 2005 power of b Value of