Eight out of nine times ninety-nine plus eight out of nine

8 / 9 of 88

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1. 11^3+12^3+...+99^3+100^3
2. What is 99 + 99 + 2 + 1 + 3?
3. Find (1-1 / 2 + 1 / 3-1 / 4 +...) +1/99-1/100）/｛1/（1+101）+1/（2+102)+…… +1 / (50150)
4. How to calculate 81 + 79 + 77 + 75... + 15 + 13
5. If the median of a set of data 90, 96, a, 80, 91, 78 is exactly equal to the average, then a=
6. Why are there two multiples of 51 random numbers within 100? I'll kneel down for you, or I won't be able to hand in my homework tomorrow!
7. The minimum multiple of natural number a is 51, and its factors are______ ．
8. 1 + 2 + 3 +... What is 365 or tell me the formula
9. 1+2+3+...+2006+2007+2008+2007+2006+...+3+2+1
10. High school mathematics ^ f / 2 = X-1
11. 9 = 32, 25 = 52, 121 = 112, numbers like 9, 16, and 121 are called perfect square numbers. There is a perfect square number in 1 ~ 2684
12. How to calculate the square of 99.8 with perfect square
13. Seven out of ten tons is one out of two of () tons and one out of three out of four square meters There are 20 boys in the art class, 5 / 6 of the girls. How many girls are there? The telephone charge of Xiaoming's family in September is 24 yuan, which is equivalent to 6 / 7 of that in August. How much is the telephone charge in August? It's 162 pages of a story book. Zhang Yang read 1 / 6 today. What page will he start reading tomorrow? A car has traveled 120 kilometers from place a to place B, equivalent to three fifths of the whole journey?
14. It is known that the square of a + AB = 3 and the square of B + AB = 2 1. Find the square of a + 2Ab + B 2. Find the square of a - the square of B
15. A-B = 3, ab = 2, the square of a + the square of B =?
16. If the square of a + A-1 = 0, find the fourth power of a + the third power of 2A - a-5, who will answer the process
17. Factorization factor (a + b) square - 6A square + 6B square + 9 times (a-b) square
18. Square of (root 3-1) + square of (root 3 + 2) - 2 (root 3-1) (root 3 + 2)
19. 3.14 times 30?
20. (- 3) multiplied by 2-8 divided by (- 4); (1 / 2-1 / 3) divided by (- 1 / 6) + - 2 times (- 14) -The fourth power of 1 is divided by the second power of (- 5) multiplied by (- 5 / 3) + 0.8-1. [50 - (7 / 9-11 / 12 + 1 / 6) times the second power of (- 6)] divided by the second power of (- 7). (there should be a process)