The lengths of the three sides of the acute triangle ABC are a, B and C respectively

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• 1. If 8 (a + 2) square + 3 │ B-3 │ + 16 (c + 0.5) square = 0, find the square of (A's B power + 2C)
• 2. Given the square of 8 (a + 2) + 3 | B-3 | + 16 (c + 0.5) = 0, find the value of the square of (A's B power + 2C)
• 3. When a is equal to - 4, - 3, - 2, - 1,1,2,3,4, what is the value of the second power of the algebraic formula a + 1 / 2 of the second power of a?
• 4. We know that rational numbers a, B, C satisfy the absolute value of A-1 + the absolute value of B + 3 + the absolute value of 3c-1 = 0 Find the value of (ABC) to the 125th power / (a to the 9th power * B to the 3rd power * C to the 2nd power)
• 5. A. B.c.m are rational numbers, and a-2b + C-M = 0, - A + b-2c = - m, then B and C () 1. Are opposite numbers to each other, 2 reciprocal numbers to each other, 3 reciprocal numbers to each other equal
• 6. Given that a, B and C are three rational numbers, and ︱ ABC ︱ ABC, AC-B ︱ Oh, ︱ 2A + B ︱ 2A + B, a + B + C = 0, find a =?, B =?, C =? Oh = 0
• 7. Given ABC = - 1, try to find (square of a △ a ^ 2B ^ 2 + A ^ 2 + 1) + (b ^ 2 △ B ^ 2C ^ 2 + B ^ 2 + 1) + (C ^ 2 △ C ^ 2A ^ 2 + C ^ 2)+ Given ABC = - 1, try to find the value of (square of a △ a ^ 2B ^ 2 + A ^ 2 + 1) + (b ^ 2 △ B ^ 2C ^ 2 + B ^ 2 + 1) + (C ^ 2 △ C ^ 2A ^ 2 + C ^ 2 + 1)
• 8. Given that a, B and C are rational numbers, and the square of (2a + 6) + | 0.25b-200 | + | C + 1 | = 0, find the value of 3A + 2B + 9C
• 9. 1. Given 2a-3b + C = 0, 3a-2b-bc = 0, ABC ≠ 0, find the square of a, the square of b-2b + the square of 3A C 2. Calculation: the second power of 20142012 + the second power of 20142014 - the second power of 20142013 3. Given the square of X - 3 x + 1 / 2 x = 1, find the square of X to the fourth power - 9 x to the second power + 1 / 2 X
• 10. What is 3A + 4b-3c + 2a-3b + 2C? 3A + 4b-3c + 2a-3b + 2C?
• 11. If the three sides of a triangle are a, B, C and satisfy A4 + B4 + C4 = a2b2 + b2c2 + c2a2, the triangle is equilateral
• 12. In the triangle ABC, A4 + B4 + C4 + a2b2-2a2c2-2b2c2 = 0, then the angle C=
• 13. Given a = 2011x + 2010, B = 2011x + 2009, C = 2011x + 2008, find the value of 2A ^ 2 + B ^ 2 + 2C ^ 2-2ac-2ab-2ac Like the title,
• 14. When n is______ When (a-b) n = (B-A) n; when n is______ When (a-b) n = - (B-A) n. (where n is a positive integer)
• 15. If the exponent is odd, multiply the power by X; if the exponent is even, divide its exponent by 2, and so on Go, what's the index of X after the 14th operation? What do you find when you continue to operate?
• 16. Operate the ninth power of a (a > 0) according to the following requirements: if the index is odd, multiply by a; if the index is even, divide its index by 2. If this continues, how many times is the index of a 4? What is the result of a after the 100th operation?
• 17. If the exponent is odd, multiply the power by X; if the exponent is even, divide its exponent by 2, and so on The answer should be more detailed If the exponent is odd, multiply the power by X; if the exponent is even, divide its exponent by 2, and so on. After which operation, the index is 4? What is the exponent of X after the 14th operation? Keep going. What do you find?
• 18. Given a + B + C = 0, find the cubic power of a + the square of a times the square of C + B times the cubic power of c-abc + B
• 19. A ship's deadweight is 2.5 × 10 Newton of the seventh power. When it sails in the Yangtze River, the mass of its boiled water is 6 × 10 Newton of the sixth power What's the weight of the cargo?
• 20. There is a sign with 4T at the side of a highway bridge, which is used to indicate the restrictions on vehicles crossing the bridge. There is a vehicle with a total weight of five times ten to the fourth power Truck, can this car pass through this bridge