Step by step, children can understand the equation 5 (8-x) = 17.5 (x + 7.3) = 3.51.4 (x + 3.2) = 6.3 26x + 8x = 5.1 x-0.24x = 22.84.8x-x = 19

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• 1. X minus 4 parts x equals 9 parts 32 x =?
• 2. How much is 1 and 4 / 9 minus 1
• 3. 29 out of 33 minus a few points is 13 out of 44
• 4. Fraction + fraction = 13 / 24
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• 6. Given 1 + 2 + 3 +. + 33 = 17 * 33, find 1-3 + 2-6 + 3-9 + 4-12 +... + 31-93 + 32-96 + 33-99 bang wo
• 7. 23. Known 1 + 2 + 3 + +31 + 32 + 33 = = 17 × 33, find 1-3 + 2-6 + 3-9 + 4-12 + +31-93 + 32-96 + 33-99 Can you explain it for me Which of the following is wrong The result is 0
• 8. Given that 1 + 2 + 3 +... 31 + 32 + 33 = 17 * 33, calculate the value of 1-3 + 2-6 + 3-9 + 4-12 +... + 31-93 + 32-96 + 33-99
• 9. What is 1:2 plus 2:6 plus 3:12 plus 4:20 plus 5:30 plus 6:42 Simple operation,
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• 14. 1. A two digit number, ten digit number is twice of a digit number, the two digit number obtained by transposing two digits is 36 less than the original number, find the two digit number Please clarify the process and ideas,
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• 18. Exercises on the meaning of the simple equation of mathematics in grade five of primary school There are five letters a, B, C, D, e and F, which are represented by 1, 2, 3, 4 and 5 respectively A + B = a C × e = e E-D = a f △ d = D (expressed by 1,2,3,4,5)
• 19. (- 30) * (1 / 2 minus 1 / 3 plus 3 / 5 minus 7 / 10 plus 12 / 15)
• 20. 7 / 10 plus 8 / 15 minus (1 / 3 plus 1 / 2)