The first √ 8 / 27 * √ 4 / 3 * √ 54 * √ 24 the second 2 √ 8-3 √ 8 + 5 √ 8

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• 1. A multiplied by 5 / 6 equals B multiplied by 3 / 2 equals C multiplied by 4 / 5 equals D multiplied by 3 / 8. Please arrange the four numbers ABCD in descending order A multiplied by 5 / 6 equals B multiplied by 3 / 2 equals C multiplied by 4 / 5 equals D multiplied by 3 / 8 (ABCD is not zero). Please arrange the four numbers ABCD in descending order
• 2. -7 / 22 × (7 / 22-3 / 4) × 22 / 7 △ (- 23 / 22) × () = 5 find the number in brackets If you want to list the solutions, I will give you 100 wealth value
• 3. 28,7,7,6,9.9,8,8 (), 5,13,16 what do you fill in the brackets?
• 4. Three questions to remove brackets Question 1: (a-2b) - (C-D) Question 2: the square of x-3 (X-2) Question 3: the square of a - (a-b + C)
• 5. 6 = 4, fill in the appropriate brackets and add, subtract, multiply and divide
• 6. 4 () 4 () 4 () 4 = 2 addition, subtraction, multiplication and division in brackets are OK. The result must be 2
• 7. The base of a parallelogram is reduced to half of its original size, and its height is increased by six times. The area of the parallelogram is () The bottom of the parallelogram is reduced to half of the original, and the height is increased by 6 times. The area of the parallelogram is ()
• 8. I'm going to use the formula Romonosov, a famous Russian mathematician, borrowed a book "principles of mathematics" from his neighbor. The neighbor said to him, "help me chop firewood for 10 days. I'll give you the book and give you another 20 rubles. " As a result, he only cut firewood for seven days. After the neighbor gave him the book, he paid five rubles. What is the price of the book "principles of mathematics"?
• 9. Fill in the brackets with 28.7 divided by () = 478.3 zero point zero zero two Urgent! Quick!
• 10. How to do these two questions? Use a simple method to calculate (1): 57.6 × 1.6 + 28.8 × 36.8-14.4 × 80 How to do these two questions? Calculation by simple method (1):57.6×1.6+28.8×36.8-14.4×80 (2) The fourth power of 39 × 37-13 × 3
• 11. How to calculate 16 degrees 27 minutes 33 seconds + 3 degrees 37 minutes 43 seconds
• 12. Mathematics problem [6,2] = 10 [4,5] = 3 [18,9] = 27 [15, x] = 24 find x
• 13. 3 / 4 = 15:20 = 18:24 = 27 / 36 = ()
• 14. Formula calculation: ① a number of 23 minus 5 equals 5, how much is this number? ② 15 minus the product of 47 and 21, what is the quotient of the reciprocal of the difference divided by 13?
• 15. Here are five scores: 23, 58, 152, 310, 171, 219______ ．
• 16. The scores of 23, 710, 1726 and 1929 are ranked from small to large______ ．
• 17. 1.15.5 + {- 3 5 / 7} + {- 5 1 / 2} + {+ 3 5 / 7} 2.15 + {- 29} + {+ 28} + {- 29} 3.13 + {- 12} + {+ 17} + {- 18} Also, {- 4 2 / 3} + {+ 6 1 / 2} + {- 3 1 / 3} + {- 2 1 / 4} process must be oh! Ladder equation
• 18. How many times 1 / 4 equals 51
• 19. Decomposition quality factor of 18 27 216
• 20. Junior high school mathematics problems (1 / 1998-1) * (1 / 1997-1) * (1 / 1996-1). (1 / 1001) * (1 / 1000-1) There are bonus points for the correct answers handed in tonight