问题
填空题
计算:(3x3y-18x2y2+x2y)÷(-6x2y)=______.
答案
(3x3y-18x2y2+x2y)÷(-6x2y),
=(3x3y)÷(-6x2y)-18x2y2÷(-6x2y)+x2y÷(-6x2y),
=-
x+3y-1 2
.1 6
故应填:-
x+3y-1 2
.1 6
计算:(3x3y-18x2y2+x2y)÷(-6x2y)=______.
(3x3y-18x2y2+x2y)÷(-6x2y),
=(3x3y)÷(-6x2y)-18x2y2÷(-6x2y)+x2y÷(-6x2y),
=-
x+3y-1 2
.1 6
故应填:-
x+3y-1 2
.1 6