(5x+7)乘以{(5x+7)-14
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(5x+7)乘以{(5x+7)-14(5x+7)乘以{(5x+7)-14(5x+7)乘以{(5x+7)-14没写完吧,补充一下,向我追问
(5x+7)乘以{(5x+7)-14
(5x+7)乘以{(5x+7)-14
(5x+7)乘以{(5x+7)-14
没写完吧,补充一下,向我追问
(5x+7)乘以{(5x+7)-14
已知3乘以x的平方-x=1,求6乘以X的立方+7乘以x的平方-5乘以x+2007的值
x乘以5乘以x等于多少
3(x³)乘以x³-(3x³)³+(5x)²乘以x的7次方
1、(x+4)乘以(x+5)2、(x+2)乘以(x+3)乘以(x+4)3、(x+7)乘以(x-6)-(x-2)乘以(x+1)4、(2x-1)乘以(2x+1)乘以(4x²+1)、5、(3x+2y)乘以(2x+3y)-(x-3y)乘以(3x+4y)
5x的立方乘以y-7x的平方乘以y-6xy
括号x加1乘以括号x加3乘以括号x加5乘以括号x加7减20
解方程 x+7x-5x+x=(15-5)乘以4
2x^2+7x+5乘以x^2-2x-3怎么算
5x乘以x+3X等于零
解方程:7x乘以1/2乘以4=3/5
x乘以5加x乘以10等于多少
5乘以5x等于
6x加37等于7乘以(x减14)?
5X乘以3X等于多少
5x乘以X等于多少
矩阵(3 -1,5 -2)乘以X乘以矩阵(5 6,7 8)等于矩阵(14 16,9 10)求X
急 1/1乘以3 +1/3乘以5 + 1/5乘以7 +.+1/(2x-1)(2x+1)=10/21解方程,