sat question

[_amp_1_amp_2]

<p>

@transfer...nah

the answer: n=11, n(n+1)/2 = 76 (I think)

11x6 = 66. The next place is 67.
me, silly mistakes?...nah :p</p>

[transfer.nah]

<p>bummer...:(
lol~</p>