计算:(1)6a8y•2y23a2=______;(2)x+1y÷x2-1y2=______.-数学

题目简介

计算:(1)6a8y•2y23a2=______;(2)x+1y÷x2-1y2=______.-数学

题目详情

计算:
(1)
6a
8y
2y2
3a2
=______;
(2)
x+1
y
÷
x2-1
y2
=______.
题型:填空题难度:中档来源:不详

答案

(1)原式=class="stub"y
2a

(2)原式=class="stub"x+1
y
y2
(x+1)(x-1)
=class="stub"y
x-1

故答案为:(1)class="stub"y
2a
;(2)class="stub"y
x-1

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