Crossword
Crossword is the most popular English text game. Unlike most people think, it is very difficult to construct a crossword puzzle. In a real crossword puzzle, there are more spaces than you think. The entire crossword area must be symmetric in the center. Generally, each crossword requires a specific topic. Last year, a record was named wordplay, which was quite good (I scored 8 points for it ). The record shows a lot of crossword-related cultures, including the puzzles, puzzles, clubs, and competitions.
The following is a crossword with mathematics as the topic. The answer is at the end of this article.
Across
1. cut corners
5. The _ plane, or S (7)
9. Hydrogen
14. large reptile
16. Column
17. Gives the slope of a tangent to a curve
19. Book by zienkiewicz and Taylor, abbr.
20. Divide
21. Sin reciprocal
22. The playing field, in Nim
25. "I saw blanusa's paper _ after it appeared." -- Tutte
26. Pronoun
27. hydroxyl group bonded to a doubly-bonded carbon atom
28. (E ^ Z-e ^ (-z)/2
29. Bar
30. The sphrole is a _-tile
31. _-digit
32. Fit
35. A type of map projection
38. The ___ hypothesis is independent of zermelo-fraenkel-Choice
39. floor coverings, frequently specified rical
40. Graph theorist Hai Peng
41. Angle
42. Branch or dedekind
43. Math _ (where to find a prof)
44. 2, 4, 6, 30, 32, 34, 36, 40, 42...
46. Art __
47. Computer Algebra: systems and Algorithms for algebraic computation Editor
48. PAA President Graham
49. Rule
50. As opposed to LHS
51. The Gamma function has these at negative integers
57. puzzle creator Van Deventer
58. tries
59. Paris River
60. philosopher Descartes
61. Charts
Down
1. saturnine
2. Director of Ulugh Beg's Observatory
3. 3-30 kHz, as heard by "Whistler" Receivers
4. An oopl or tower.
5. Plow
6. supped
7. Proof of existance, without a specific example
8. Hermite orthogonal polynomial
9. Stat
10. GTE rival
11. Quasi-conformal enemy of Edmund Landau
12. (23/9) ^ 5 and 109, for example
13. Ergo
15. Pilot stunt: "pulling ___"
18. Faraday theory, later proven by Arrhenius
22. Peace Prize winner Shimon
23. J of ___ and appl
24. The inverse Variational Problem in classical mechanic author
25. The "sampling" Function
26. A searching method for Ramsey Numbers
28. "What I give form to in daylight is only one per cent of what I have _ in darkness." -- Escher
29. Boxers
31. High school math
32. Add-with-carry, inverse congruential, rule 30, dice, etc.
33. Chaos and Fractals author Dietmar
34. graphica author Michael
36. icosahom editor Andrew
37. Focus, for example
42. Triangle part studied by kimberling
43. In anatomy, away from the origin
44. more than 1500 Math papers have his name
45. Where set theory: on the structure of the real line was written
46. Actor Knotts
47. number theorist Peter
49. sported
50. Theorem
52. Cylinder
53. o' _ group (Order 460815505920)
54. skater Midori
55. Mind Plotter
56. It's better than angle-side
Ansible
Ansible refers to adjusting the alphabetic order of a word or phrase to form another word or phrase. The relationship between the two is often ironic. For example, there is a Da Vinci Code:
O, draconian dedevil! Oh, lame saint! = Leonardo da Vinci, the Mona Lisa
The classic anchor is very interesting. Let's take a look at the following anegis:
Listen = silent
Dormitory = dirty room
Desperation = a rope ends it
Mother-in-law = woman Hitler
A telephone girl = repeating "hello"
The country side = no city dust here
Some anegis may be very long. For example:
To be or not to be: that is the question, Whether tis nobler in the mind to suffer the slings and arrows of outrageous fortune.
= In one of the Bard's best-thought-of tragedies, our insistent hero, Hamlet, queries on two fronts about how life turns rotten.
Another interesting anager is like this:
Eleven plus two = Twelve Plus One
Pangram
Pangram refers to a sentence that, although not long, contains all 26 English letters. Pangram is often used for typewriter testing and font demonstration. What you are most familiar with is the pangram used in the Windows Font Demonstration:
The quick brown fox jumps over the lazy dog.
The Macintosh font demo uses the pangram:
Cozy lummox gives smart squid who asks for job pen.
Another common pangram is as follows:
Pack my box with five dozen liquor jugs.
Of course, someone must ask, is there any shortest pangram? Of course. Some pangram only has 26 letters (each letter is exactly used once). Such pangram is called Perfect pangram. For example:
New job: fix mr. Gluck's hazy TV, pdq!
Autogram
Autogram is also called self-enumerating sentence. It refers to the content of a sentence that describes the sentence itself. Below are some common autogram:
This sentence contains five words.
This sentence contains thirty-six letters.
There are fourteen vowels in this sentence.
In 1982, Scientific American published a masterpiece of autogram:
Only the fool wocould take trouble to verify that his sentence was composed of ten A's, three B's, four C's, four D's, forty-six E's, sixteen F's, four G's, thirteen H's, fifteen I's, two K's, nine L's, four M's, twenty-five n's, twenty-four O's, five P's, sixteen R's, forty-one s's, thirty-seven T's, Ten U's, eight V's, eight W's, four X's, eleven y's, twenty-seven commas, twenty-three apostrophes, Seven hyphens and, last but not least, a single!
Another similar autogram is as follows:
This autogram contains five A's, one B, two C's, two D's, thirty-one E's, five F's, five G's, eight H's, twelve I's, one J, one K, two L's, two M's, eighteen n's, sixteen O's, one P, one Q, six R's, twenty-seven S's, twenty-one T's, three U's, seven V's, eight W's, three X's, four Y's, and one Z.
Palindrome
Palindrome refers to such a word or sentence. Reading from left to right is the same as reading from right to left. For example, the words eye, noon, level, racecar, and redivider are all palindrome. Some long sentences may also be palindrome. For example, there was a palindrome on usaco:
Madam, I'm Adam.
Another interesting example is palindrome:
Never odd or even.
Was it a cat I saw?
Step on no pets!
Dammit, I'm mad!
Rise to vote, sir.
God lived as a dedevil dog.
A man, a plan, a canal -- Panama!
In 1814, when Napoleon was moved to the Island of Elba, Napoleon once said:
Able was I ere I saw Elba.
Here is palindrome, which is the longest in the world.
Alphamagic Square
In 1986, an electronic engineer named Lee sallows discovered such a level 3 Magic:
5 22 18
28 15 2
12 8 25
At first glance, there seems to be nothing special about this magic. However, after converting it into text:
Five Twenty-two eighteen
Twenty-eight fifteen two
Twelve eight twenty-five
After counting the number of letters in each word, we can get a new magic square, which exactly consists of the 9 numbers from 3 to 11:
4 9 8
11 7 3
6 5 10
Matrix67 collection
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