Three division problems of the same base power 1. If 2 (X-2) ^ 0 is meaningful, then x_________ 2. Given 10 ^ m = 3 and 10 ^ n = 2, find the value of 10 ^ 2m-n 3. Given 3 ^ 2m = 6 and 9 ^ n = 8, find the value of 3 ^ 6m-4n

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• 1. Mathematics is the same as the division of base power. It is required to write out the whole process The negative third power of (2Ab & # 178;) / (the negative first power of 2A & # 178; b) &# 178;
• 2. There are several expressions for quadratic inclusions
• 3. On the equation of X: (A-2) \ \ (X-2) + (A-2) \ \ (2-x), there are innumerable solutions. For the value of a, please write the steps, 3Q
• 4. Given a = 10, what is the result of the expression a * = 3 + 4? 3Q
• 5. The letter formula of the law of multiplicative distribution I need this formula to be replaced by letters, such as the commutative law of multiplication a * b = b * a
• 6. What is the alphabetic expression of multiplicative distributive law?
• 7. Problem solving by division of sixth grade mathematics The man-made earth satellite runs 84 meters per second, which is 57 times slower than the speed of the spaceship. How many kilometers does the spaceship run per second? (arithmetic, no equations. Why do you do this
• 8. How to calculate "fraction division" in unit 3 of mathematics in Grade 6 of primary school? The teacher told us to give a lecture on the platform. It's better to have a list of questions
• 9. On the mathematical problems of fractional division! 1: What is two fifths divided by two? 2: What is five out of seven divided by five? 3: What is two fifths divided by three? 4: What is two thirds divided by eight? 5: What is six out of thirteen divided by nine? 6: What is seven out of twelve divided by twelve? 7: What is three fourths divided by three? 8: What is five eighths divided by five?
• 10. On the division of a mathematical problem! Xiaoxiao said, "I spent three days reading a quarter of this book." mischievous said, "I spent four days reading a third of this book." Q: who can read faster, Xiaoxiao or mischievous? Find the formula, not the equation
• 11. On the division of the same base power 1. The speed of light is about 3 times 10 km / s. if the distance between the earth and the sun is 1.5 times 10 km / s, how long does it take for the sun to reach the earth? 2. A city has put forward the goal of today's economic development to about one million citizens of the city: "more than 10 billion, strive for a well-off life. What is the per capita target? 3. Fold a piece of paper with a thickness of 0.1 mm in half for 20 times. How many times of the thickness of 128 pieces of the same paper?
• 12. On the division of the same base power If x power of 2 = 3 and Y power of 4 = 5, then x-2y power of 2 is? It's better to take the process and be accurate,
• 13. Division of the power of the same base in Mathematics (3 / 2) times are 0 + (- 1) times are 3 + (3 / 1) times are - 3 / absolute value - 3
• 14. A problem of division of the same base power Given that the x power of 128 is 8 × 2 to the 11th power, find the value of (x-1) to the power of 2008
• 15. 3 times 0.4 equals 1.2, and 3 is a factor of 1.2
• 16. Division of the same base power. X power of 3 = 1 / 81 [find the value of x] - 0.00000215 = - 2.15 * 10 [find the value of x]
• 17. (- 1 / 2) ^ - 3 + (- 1 / 3) ^ - 2 - (- 1 / 5) ^ - 1
• 18. In deriving the formula for calculating the volume of a cylinder, Xiao Hua divided the 8 cm high cylinder into 32 parts It is known that the surface area of the cuboid is 64 square centimeters larger than that of the original cylinder, and the radius of the bottom of the original cylinder is? Cm?
• 19. What method do we use to deduce the formula of cylinder volume?
• 20. The derivation of the volume formula of a cylinder is based on the mathematical idea of (). In this process, () has changed and () has not changed. The height of the assembled figure is equal to that of (), and their bottom area (), so the volume formula of a cylinder is ()