maxdaddy

2.       (DS) what is the value of n.
Twice n equals to n plus 8
N Times N equals to 8N
没有搞清楚是什么意思,就选了B,觉得N^N 等于8N 有一个解在2和3之间就选了B

1) is 2n=n+8 which gives you one answer.
2) is n^2=8n which gives you two answers.

So i think it should be A instead of B