问题标题:
16-a²/a²+8a+16÷a-4/2a+8×a-2/a+2
问题描述:
16-a²/a²+8a+16÷a-4/2a+8×a-2/a+2
陆元章回答:
16-a²/a²+8a+16÷a-4/2a+8×a-2/a+2
=16-1+8a+16/a-2/a+8a-2/a+2
=(16-1+2)+(8a+8a)+(16/a-2/a-2/a)
=17+16a+12/a
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