Least common multiple of 54 and 27 Come on. Use it now

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1. The first electronic computer in the world
2. Two composite numbers of Coprime whose least common multiple is 702 are () and () kuai
3. The first electronic computer in the world is called?
4. Two coprime numbers whose least common multiple is 702 are______ ．
5. The world's first electronic computer was born in（ A) Mid 1940s B) The 19th century C) Early 1980s D) 1950
6. The least common multiple of two composite numbers of Coprime is 702, which are (), ()
7. When was the world's first electronic computer born? How many years has it been?
8. Two coprime numbers whose least common multiple is 702 are______ ．
9. On the application and function of calculator Choose any three digit number (requirement: the number of hundreds is at least 2 times larger than the number of ones), invert the order of the number of hundreds, tens and ones to get another three digit number, subtract the smaller three digit number from the larger three digit number, invert the order of the numbers of the difference to get another three digit number, and add the difference itself to the three digit number, What's the result you got? Try a few more numbers. What do you find? Choose any four digits and follow the rules above. What will you get? What if you choose any five digit number Select any positive number and perform the following operations: add L, then take the reciprocal, and continuously perform the above operations according to the obtained results What did you find? If you change the operation rules (such as "add 2, then take the reciprocal..." Square plus one, then square and take the reciprocal "...) Will we find a similar pattern? With the help of your calculator, get the cycle section separately If a number key (such as 3) on the calculator is broken, how to calculate the formula containing the number? (such as 2 + 3, 34 12, 3 × 49325413,...) What if an operator key is broken? The problem in brackets is 2 + 3,34-12,3 × 49325 △ 413
10. (1) Two composite numbers are coprime, and their least common multiple is 144. These two numbers are () and () (2) The volume of the new cylinder is () cubic decimeter and the surface area is () square decimeter
11. The characteristics, composition and functions of computer network
12. What is the greatest common factor of 18 and 54______ The least common multiple is______ ．
13. Early computer networks were made up of () Options: a. Computer communication line computer b. PC communication line PC c. Terminal communication line terminal d. Computer communication line terminal
14. The least common multiple of 17 and 54, 10 and 45
15. 1. Briefly describe the composition and main functions of computer network
16. What is the least common multiple of 13 and 17 and 23 and 33?
17. Is computer ability important to mathematics?
18. 17. The least common multiple of 13 and 11
19. Mathematical calculator calculation What is the (- 6.5) power of 10
20. What is the least common multiple of 13, 15 and 17