(9x3y2-6x2y+3xy2)÷(-3xy)
题型:解答题难度:一般来源:不详
(9x3y2-6x2y+3xy2)÷(-3xy) |
答案
(9x3y2-6x2y+3xy2)÷(-3xy), =9x3y2÷(-3xy)-6x2y÷(-3xy)+3xy2÷(-3xy), =-3x2y+2x-y. |
举一反三
已知长方形的面积是49a2-4b2,一边长是7a-2b,则另一边长是______. |
已知多项式ax3+bx2-47x-15可被3x+1和2x-3整除,则a+b=______. |
计算:3x6y4÷xy3=______;(am-bm)÷m=______. |
最新试题
热门考点