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RELATED INFORMATIONS

• 1. Judgment: when a is a rational number, the absolute value of a is greater than or equal to a
• 2. Given x-y=xy=3, if a, b are rational numbers a rational number and 2a's second power-2ab+b's second power +4a+4=0, then b+ab's (1+2)(1+2 To the second power)(1+2 to the fourth power)(1+2 to the eighth power)+2 to the fifteenth power. Give 0 point after finishing Give me 20 points after the answer, I'm sorry for the wrong number
• 3. What is the square +4a of 12-2a if the rational number a satisfies the square -2a+1000=0 What is the square +4a of 12-2a if the rational number a satisfies the square -2a+1000 of a =0
• 4. What do fractions, decimals and percentages mean?
• 5. Math! Solve the problem of proportion! Big rabbit toy,42cm small rabbit toy is made according to 1:6, how tall is the small rabbit? A batch of washing machine parts, originally planned to produce 40 per hour,30 hours to complete, the actual production of 50 per hour, the actual hours to complete? Xiao Ming reads 200 pages of a book. He has read 80% of the book in the first four days. How many days will it take to read the book? The circle diameter is 2cm, the small circle diameter is 1cm. Draw a screenshot of a machine part according to the scale of 1:10. What is the actual screenshot of this part?
• 6. An irrational number is divided into a positive irrational number and what?
• 7. Given the rational number a, b, c, satisfy |a-1+|b+3+|c-1|=0, and obtain the value of (abc)125th power ÷(9th power of a ×3rd power of b ×2nd power of c) Given the rational number a, b, c, satisfy |a-1+|b+3+|3c-1|=0, find the value of (abc)125th power ÷(9th power of a ×3rd power of b ×2nd power of c)
• 8. In the following statements, the error is () A. The square of a number can not be negative B. The square of a number must be positive C. An even power of a nonzero rational number is a positive number D. An odd power of a negative number is a negative number In the following statements, the error is () A. The square of a number can not be negative B. The square of a number must be positive C. An even power of a nonzero rational number is a positive number The odd power of a negative number is negative
• 9. What is an integer? What is natural number? What is a decimal? What is a score? What is a percentage? What is a positive number? What is a positive number? What is a positive integer? What is a negative number? What is a negative integer? The teacher left very little space! It would be best to use only one sentence to answer Anything else to avoid? Integer Natural number Decimal Score % Integer Positive integer Negative number Negative integer! What is an integer? What is the natural number? What is a decimal? What is a score? What is a percentage? What is a positive number? What is a positive number? What is a positive integer? What is a negative number? What is a negative integer? The teacher left very little space! It would be best to use only one sentence to answer Anything else to avoid problems? Integer Natural number Decimal Score % Integer Positive integer Negative number Negative integer!
• 10. In -5,-0.3,0,2,-1/3,1/3,76% and 3.4, which are integers, fractions, decimals, percentages, natural numbers, positive numbers, negative numbers?
• 11. Calculation:(minus 2 and 1 in 3)100 times (minus 3 in 7)101 times Calculation:1.(minus 2 and 1 in 3)100 times (minus 3 in 7)101= 2. When a=-1, a+a2+a3+.+a2013= 3. If a and b are mutually opposite numbers, the second power of x =4, find the second power of x -3a + x parts ac -3b +(a parts b) of 2013 power =
• 12. If A=2, B=-3, then the last digit of 100th power of a +101th power of b is _
• 13. Calculation:99(square of 10 10+1)(the fourth power of 10+1)+1.
• 14. How to do the problem of "the 100th power of 2 minus the 99th power of 2 minus the 98th power of 2 minus the 8th power of 2 minus the 7th power of 2 minus the 6th power of 2"
• 15. Given the square of X+X-1=0, calculate the value of the third power of 2013X+ the square of 2014X-2012X-2013 334455665 Friends, how do I get the first step, the end is equal to 2014, or equal to 2012 Given the square of X+X-1=0, calculate the value of the third power of 2013X+ the square of 2014X-2012X-2013 334455665 Friends, how do I get the first step, is it 2014 or 2012
• 16. (1) Given the square of x + x +1=0, find the 2012 power of x + the 2011 power of x +…… +X squared +x+1 (2) Given that x is not equal to y, and the square of x-x=2, the square of y-y=2, find the value of the square of the algebraic expression x-xy+y
• 17. Ratio of 2012 power to 2013 power
• 18. Multiply the 99th power of 0.5 by the 100th power of 2 by? (Minus one seventh) to the 7th power multiplied by 49 to the 4th power? Multiplying the 99th power of 0.5 by the 100th power of 2 equals? (Minus one seventh) to the 7th power multiplied by 49 to the 4th power?
• 19. What process is the 99th power of 2× the 100th power of negative 2×1 What process is the 99th power of 2× the 100th power of minus 2×1
• 20. 2 To the 99th power, minus 2 to the 100th power of 1. Yes: What is the 99th power of 2 multiplied by the 100th power of negative 2/2?