How many parts of the puzzle are parallelograms? thank you

The largest triangle accounts for a quarter of the total area, and the four smallest triangles can form a largest triangle. Two triangles are equal to a parallelogram, which means that the parallelogram is equal to half of the largest triangle, so the parallelogram accounts for one eighth of the total area

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1. 25 cents = a few cents? What's the weight of 30 grams?
2. (1) If the square of a negative number equals 289, find the number. (2) if the square of a number equals 36 / 25, find the number (3) The length of two right angles of a right triangle is 6cm and 48CM respectively calculation: (4) Radical (- 3 / 4) square (5) - radical (- x) square (6) - radical 10 * radical 15 (7) - 4 radical 45 * (- 2 radical 5) (8) 2 radical XY · 1 / 3 radical 1 / X Simplification: (9) Radical 4 and 4 / 9 (10) radical M & # 710; 4 n-2 M & # 710; 3 N & # 710; 2 + M & # 710; 2 N & # 710; 3 (M > n > 0)
3. What's a number whose square is 25 out of 49?
4. The square of x minus two, x equals three
5. If the square of x plus three and x minus one equals six, then the square of x plus three and x plus eight equals six
6. Given that XY is a real multiplier and x minus 1 + 3 times the extension y minus 2 under the root sign, the square of the extension is equal to 0, and the value of X – y is obtained
7. The square of two x minus three X is equal to two? Find two values of X
8. X minus 36 percent x = 770
9. Xiao Hong forgets the decimal point when she writes a two digit decimal. The integer she gets is 63.36 times larger than the original one Teach me
10. When Wang Lele wrote a two digit decimal, he forgot the decimal point and got an integer 63.36 larger than the original decimal. Do you know what the original decimal is? (to be simple, just give me the formula.)
11. A parallelogram, the bottom is 8 cm, the height is 3 cm, and the height is a fraction of the bottom? If the perimeter of a parallelogram is 24 cm, what is its height?
12. A parallelogram has a base of 24cm and a height of 11cm. How many times is the base of the parallelogram and how many parts is the height of the parallelogram?
13. How many parts is 16 out of 17 minus 5 out of 18
14. 8 out of 12 = fraction divided by 3 = 24 out of 36 = 12 out of 18
15. A fraction divided by a fraction How to express in complete language~ Example: (1) 1 / 2 × 5 means 1 / 2 of 5~ (2) 3 × 3 / 4 is the number of three 3 / 4 Because I can only express multiplication, not division, 7 / 6 △ 2 / 3 means ()
16. 1 = how much divided by how much = fractions = fractions = fractions
17. What is 11 divided by 22
18. 6 out of 18 = () divided by () = what fraction; 1 out of 6 = 2 divided by () = () divided by 30 = () divided by ()?
19. 0.6 = percentage = percentage: 35 = 6 divided by percentage = percentage = discount = percentage
20. What's the percentage of that? Please write it as clearly as possible, and the intermediate process is addition, subtraction, multiplication and division