Given X / X & # 178; - x + 1 = 1 / 5, find the value of X & # 178 / X4 power + X & # 178; + 1

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• 2. In the polynomial 6a-2a3x3y-8 + 4x5, the coefficients and constants of the highest order terms are () A. 2 and 8b. 4 and - 8C. 6 and 8D. - 2 and - 8
• 3. Let FX = the third power of X - 1 / 2x & # 178; - 2x + 5-m, when x ∈ [- 1,2], FX
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• 6. Scientific notation shows the following numbers 6.4 million square kilometers = () square kilometers - 38700 000 = () 4.1 times 10 to the 5th power = () 2.5 times 10 to the 13th power = () -8300.12 = () - 1.707 times the 7th power of 10 = () 1701 / 4 = () - 9.75 times the 11th power of 10 = () 10 430 000=（ ） 110000=（ ） If there is a power of 8.64 times 10, and a year is 365 days, how many seconds does a year have? 10 years?
• 7. Scientific notation denotes the following numbers -870000 by scientific notation: 3.96 million scientific notation: What is the index of the last 10 digits of a nine digit scientific notation_______ If there is a number recorded in scientific notation, the exponent of 10 is 19, then the number has______ Bit integer
• 8. Any number whose absolute value is less than 1 can be expressed as () by scientific counting method, where n is a positive integer and a satisfies ()
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• 10. Given that a and B are opposite numbers, C and D are reciprocal, the absolute value of X is 8, find CD + A + B - | X|
• 11. The minimum value of (x + 1) ² - 6 is (), and the power of x = ()
• 12. Find (1 + x) (1 + x2) (1 + x4) (1 + x8) The limit of.. (n times of 1 + x2)
• 13. X = 1-A, a ≠ 1, x64 = 1-B simplify (1 + x) (1 + x2) (1 + x4) (1 + x8) (1 + x16) (1 + X32)
• 14. 3 & # 179; - 4 * 3 & # 178; + 10 * 3 = the fourth power of 3 - 4 * 3 & # 179; + 10 * 3 & # 178; = and find out the rule
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• 16. 4 / 9 times () = 7 / 8 divided by () = (): 16 = 0.75 = () / ()?
• 17. How to calculate 1.38 times 1.2 times 0.5
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• 20. Simple calculation of 8 / 9 + (1 / 4 minus 1 / 9) + 3 / 4