Find the rule and fill in (1) 3 / 8, 1 / 8, 1 / 24, (), 1 / 216 (2), 3 / 4, 1 / 2, 1 / 3, (), 1 / 27

One in 72 and one in nine

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1. The shape of Xiaoming's living room is a rectangle, 8 meters long and 4 meters wide. To stick wallpaper on the walls around the living room, at least how many square meters of wallpaper should be used? (the total area of doors and windows is 14 square meters)
2. How much square is 432 feet? How much square is one foot? How many square meters is 670 feet?
3. Given that | a | = 2, | B | = 2, | C | = 3, and the position of rational numbers a, B, C on the number axis is shown in the figure, then a + B + C=______ ．
4. There are several mathematical calculation problems, to complete the process. (1) √ 6 ×√ 3 / √ 2 (2) √ 12 - √ 3 / √ 3-1 (3)(√2-√3)²+(2√2+1)(2√2-1) (4)5√2+√8-7√18
5. It is known that the factorization result of the quadratic trinomial 2x & sup2; - mx-n is (2x + 3) (x-1). Try to find the value of M, n
6. Simple calculation of 52.65 - (17,65 + 21)
7. Given (2x-1) ^ 5 = A5 + x ^ 5 + a4x ^ 4 + a3x ^ 3 + a2x ^ 2 + a1x + Ao, find a1 + a3 + A5
8. A + 1 / 3 (B + 2) and B + 2 / 3 (a + 1)
9. If a and B are the unequal real roots of the equation x + 2x-2010 = 0, then the square of a + 3A + B =?
10. Simple calculation: 1, 95.5-81 / 7.5-9.22, 9.99 / (50 * 1.11) 3, [8 + (0.5-0.2) / 1.2] * 0.24
11. Given that the function y = √ ax + 1 (a is a constant and a < 0) is meaningful in the interval (- ∞, 1], the value range of real number a is obtained Wait for the line again. OK, there's an additional line~ y=√（ax+1）
12. Solving the fractional equation: x + (1 divided by x) = 26 / 5
13. After learning the operation of rational numbers, teacher Xue gave the students such a problem Calculation: 71 and 5 / 16 times (minus 8) to see who is right and fast. Here is the solution given by the first two students Xiaoqiang: the original formula = - 1151 of 16 times 8 = - 9208 of 16 = - 572 and 1 of 2 Xiao Li: the original formula = (71 + 15 / 16) times (- 8) = 71 times (- 8) + 15 / 16 times (- 8) = - 575 and 1 / 2 Which solution is better? Is there any other solution? If so, please write out the solution of the other method
14. Answers on page 54 of mathematics class assignment book of grade 6 Volume 2 There must be an answer today!
15. If the square of (5x-3) is 20 and 1 / 4, then x is
16. If a is a natural number that is not equal to 0, which result is greater, one-third divided by a or 1 / a divided by 3
17. Given the set a = {x | 2a-1 ≤ x ≤ a + 1}, B = {x | x2-5x + 4 is greater than or equal to 0}, if a ∩ B is an empty set, then the value range of real number a is obtained
18. 18 plus 85% of a number is exactly 22. Find the number? Use the formula instead of solving the equation
19. Given that circle C1: x ^ 2 + y ^ 2-2mx + 4Y + m ^ 2-5 = 0, circle C2: x ^ 2 + y ^ 2 + 2x-2my + m ^ 2-3 = 0, what is the value of M Given the circle C1: x ^ 2 + y ^ 2-2mx + 4Y + m ^ 2-5 = 0, circle C2: x ^ 2 + y ^ 2 + 2x-2my + m ^ 2-3 = 0, what is the value of M (1): circle C1 and circle C2 are circumscribed, and the equation of the inner common tangent is obtained. (2) circle C1 and circle C2 are included
20. Simple calculation of 36 × 25 + 36 × 47 + 36