问一道数学算式 (87x+72x-81)/(3x-9)(87x+72x-81)/(3x-9)(87x+72x-81)/(
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/06/24 18:15:23
问一道数学算式
(87x+72x-81)/(3x-9)
(87x+72x-81)/(3x-9)
(87x+72x-81)/(3x-9)
(87x+72x-81)/(3x-9)
(87x的2次方+72x-81)/(3x-9)
(87x+72x-81)/(3x-9)
(87x+72x-81)/(3x-9)
(87x+72x-81)/(3x-9)
(87x+72x-81)/(3x-9)
(87x的2次方+72x-81)/(3x-9)
![问一道数学算式 (87x+72x-81)/(3x-9)(87x+72x-81)/(3x-9)(87x+72x-81)/(](/uploads/image/z/18804117-21-7.jpg?t=%E9%97%AE%E4%B8%80%E9%81%93%E6%95%B0%E5%AD%A6%E7%AE%97%E5%BC%8F+%2887x%2B72x-81%29%2F%283x-9%29%2887x%2B72x-81%29%2F%283x-9%29%2887x%2B72x-81%29%2F%28)
=(159x-81)/(3x-9)
=(159x-477+396)/(3x-9)
=53+396/(3x-9)
=(159x-477+396)/(3x-9)
=53+396/(3x-9)
一道数学分式方程(x-4)/(x-3)-(x-6)/(x-5)=(x-8)/(x-7)-(x-10)/(x-9)
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
如果3x*x-x=1那么9x*x*x*x+12x*x*x-3x*x-7x+2001等于多少
(x
|x|
x
,x
x+2/x^2-x-6 + 2x/x^3-3x - x+1/x^2-6x+9
(x+2/x^2-x-6)-(2x/x^2-3x)-(x+1/x^2-6x+9)
计算:(x+2)/(x^2 - x - 6) + 2x/(x^2 - 3x) - x/(x^2 - 6x + 9)
x^9+x^6+x^3-14