Help me solve the following calculation problems 17 × (3 / 8 + (5 / 4-5 / 6) 108 / 25-7 / 15 * 3 / 5 / 7 / 45, solve the equation x * 20% = 4 / 5 1 / 3x * 5 = 1 / 3 (to calculate the process)

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• 1. The solution equation: 1, X-7 / 3 = 17 / 13.2, 21 / 13-x = 14 / 3 What can be calculated simply: 4-15 / 4-15 / 11=
• 2. Solve the equation x (1-15%) = 595 2x + 3Y = 140 2x + 3 = 17 40x-32 × 38 = 704 x-0.8x = 72 1.6 (x = 80) = 20 x + 2x = 128.4 x（1－15％）=595 2x+3y=140 2x+3=17 40x－32 ×38=704 x－ 0.8x=72 1.6(x=80)=20 x+2x=128.4
• 3. Solution equation: (x + 15) / 16 + (x + 3) / 4 = (X-5) / 4 + (17-x) / 16
• 4. Solving equation x / 0.7-0.3 / 0.17-0.2x = 1
• 5. Five parts of x plus x is three parts of ten
• 6. To solve the equation: 1.1 and 3 / 5-x = 9 / 10 Write the number directly: 1 and 1 / 2-4 / 9 + =?
• 7. How to solve the equation
• 8. 4X of 3 + 5 of 12 is equal to 3 times 7 of 12 (solving the equation)
• 9. To solve the equation, 30% x multiplied by 4 / 9 is 40
• 10. To solve the equation: 2 / x + 3 = 5 / X-1-1, 3 / X-2 = 2 / x-3 Solving the equation: 2 / x + 3 = 5 / X-1-1 3 X-2 = 2 x-3
• 11. How to calculate X-8 of x = 270?
• 12. I want a slightly more complicated calculation of solving equations in Grade 6, which requires two steps, 17-40 questions, if good, If you want to solve the equation in fractions, give it to me in two steps before the 18th. And I've seen them on the second and third floors,
• 13. The formula method is used to solve the following equation: 1.xsquare-x-1 = 0.2.5y-84 + ysquare = 0
• 14. 1-2 (Y-3) = 15 (1 / 5y-1)
• 15. The square of solution 5Y plus y is equal to 1 to find the solution of the equation
• 16. Solve the equation: the square of x minus 16 equals 0, which is much better
• 17. The square of solving equation x minus 16 = (x minus 2) square
• 18. The square of 4 × (X-5) = (X-5) (x + 5) solves the equation
• 19. Factoring the square of 25X - the square of 10x [X-Y] + [X-Y]
• 20. Factorization of the square of 25X + 40x (Y-X) + 16 (X-Y)