56×165÷(7×11)+144×13÷156 (28.8＋28.5＋28.7＋28.1＋28.6）÷5 41.2×8.1＋11×9.25＋537×0.19 Who is the quickest to give the reward! 1. Of course, I know the answer,

restless from overeating—silly or senseless

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1. 1. 5 + 3 = 8; 8 = 56 / 7; 56-5 = 51. Is the answer correct? 2. Xiao Hua does an integer addition problem, regarding 3 as 8 and 9 as 6. The sum is 356. What's the correct answer? 356-68 = 288; 288 + 93 = 381
2. Simple calculation of 0.865 * 51% + 51 * 35.5% / 2 * 1 / 50 + 4.9% * 12 and 1 / 5 There must be a process! Online and so on!
3. How to simplify the operation of 1 + 10 + 4 (10 / 35) + 2 (24 / 63) + 1 (51 / 99) + 1 (7 / 143)
4. 6 questions on page 23 of the mathematics textbook for the first semester of the second grade of the people's Education Press 11.3, 6 questions
5. Answers to 9 questions on page 27 of mathematics book of grade two
6. 1. Which of 9, 2, 11, 97, 51, 12, 91, 27, 39, 4 are prime numbers? Which are composite numbers?
7. Fill in the numbers according to the rules: 51.2,64,80, (), ()
8. 51.2,64,80, (), () find the rule and fill in the number. How to write? And (), (), 19.8,13.2,8.8 also find the rule and fill in the number, how to write?
9. Find the rule 51.2,64,80100, () don't call me Baidu, because Baidu doesn't have it
10. 5. 7, 11, 15, 23 infer according to the sequence law. What's next? A、26 B、27 C、28 D、29
11. The greatest common factor of 20 and 15, 36 and 9, 51 and 34, 18 and 90
12. 2 5 6 11 23 () () find the law
13. Find the rule 2,5,11,23, (), ()
14. Find the rules and fill in the numbers: 1250, 20625, 17125, 14, (), (), (), ()
15. Using the sum of general term, 1 + 11 + 111 + +111… The sum of 1n ones
16. How about 1 + 11 + 111 + 1111 + n
17. How about 1 + 11 + 111 + 1111
18. What is 1 + 11 + 111 + 1111
19. 1+1+11.111.1111
20. 1 times 1, 11 times 11111 times 1111 times 1111, find the law