Addition and subtraction of fractions What is 5 / 6ab-2 / 3aC + 3 / 4abc
5/6ab-2/3ac+3/4abc
=10/12ab-8/12ac+9/12abc
=10c/12abc-8b/12abc+9/12abc
=(10c-8b+9)/12abc
RELATED INFORMATIONS
- 1. Fractional addition and subtraction (3x³-12x)/(x²-2x) – (x³-4x)/(x²+2x)
- 2. Addition and subtraction of fractions in junior high school 1.1/(m^2-3m)-2/(m^2-9) 2.x^3/(x-1)-x^2-x-1 3.a-2-a^2/(a+2) 4.(x-1-8/(x+1))÷x+3/x+1
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- 5. Is the meaning of fractional multiplication and division the same as that of integer multiplication and division? Are they different?
- 6. Knowledge of primary school marks
- 7. What practical problems can be explained by the knowledge and scores
- 8. Sorting out the knowledge points of scores
- 9. Similarities between integer and decimal multiplication and division
- 10. Decimal multiplication and division have the same meaning as integer multiplication and division, right
- 11. The operation of fraction in grade eight It is known that a is not equal to B, B is not equal to C, C is not equal to a, and a / (B-C) + B / (C-A) + C / (a-b) = 0 It is proved that a / (B-C) ^ 2 + B / (C-A) ^ 2 + C / (a-b) ^ 2 = 0
- 12. Xiaolan's mother bought several bottles of yogurt for 12.5 yuan in the supply and marketing building, but she found in the food optional room of the department store that the same yogurt was 0.2 yuan cheaper than each bottle in the supply and marketing building. Therefore, when she bought yogurt for the second time, she went to the Department store to buy it. As a result, she spent 18.4 yuan and bought 3 / 5 more bottles than the first time. How many bottles of yogurt did she buy in the supply and marketing building for the first time?
- 13. x2-(y-z)2 ------------ (x+y)2-z2
- 14. The addition and subtraction of fractions in the second volume of the eighth grade! Only 15 and 16 questions! Where a × a + ab-2b × B = 0 2.a÷〔(a-b)(a-c)〕+b÷〔(b-c)(b-a)〕+c÷〔(c-a)(c-b)〕 3.(2x+z-y)÷(x×x-xy+xz-yz)-(2x+y+z)÷(x×x+xy+xz+yz) 4.1÷(a+1)+1÷(a+1)(a+2)+… +1÷(a+2007)(a+2008) Note: a × A is the square of a and so on, [
- 15. ①.X²-2X+1/X²-1 ÷ X²-X/X+1 ②.a-1/a²-4a+4 ÷ a²-1/a²-4 ③.x³-x²/x²-x ÷ x²-2x/x-1 ④.(x-y)²/x+y ÷ 1/y+x X 1/x-y Do me a favor
- 16. With four rational numbers: 3,4, - 6,10, write three different methods of operation, so that the result is equal to 24, three different methods!
- 17. Given that the sum of the monomials XY ^ 2a-1 / 3 and 10xy ^ A + 1 / 2 are still monomials, then a=________
- 18. XY is a monomial, and explain why. A single number or letter is also called a monomial, so is 1 a monomial?
- 19. Please write all trinomials containing only the letters x, y and coefficients 2
- 20. -What is the coefficient of 15ab? What is the number of times and terms? What is the coefficient of a-2ab + B? What is the number of times and terms?