问题
解答题
计算:(-3x2n+2yn)3÷[(-x3y)2]n
答案
(-3x2n+2yn)3÷[(-x3y)2]n,
=-27x6n+6y3n÷(-x3y)2n,
=-27x6n+6y3n÷x6ny2n,
=-27x6yn.
计算:(-3x2n+2yn)3÷[(-x3y)2]n
(-3x2n+2yn)3÷[(-x3y)2]n,
=-27x6n+6y3n÷(-x3y)2n,
=-27x6n+6y3n÷x6ny2n,
=-27x6yn.