计算:y3n-2÷2yn-3=______;(______)÷3x2y=2x.
题型:填空题难度:一般来源:不详
计算:y3n-2÷2yn-3=______;(______)÷3x2y=2x. |
答案
(1)y3n-2÷2yn-3=(1÷2)y3n-2-n+3=y2n+1; (2)∵2x•3x2y=6x2+1y=6x3y. 故答案为:y2n+1,6x3y. |
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