以下是引用Snazzy在2003-12-3 12:55:00的发言: Hi, i think donna's explanation is right(the first half, though), 9 is the 7th of the 8 consecutive odd numbers. "with increasing values" means the 2nd one is greater than the first one, 3rd one is greater than the 2nd one, ... and 9, which is the 7th number, is greater than the first 6 ones but smaller than the last one.
But you think that 9 is the 7th number of the 8 consecutive odd integers, which is whether is reasonable. For example, the numbers smaller than the 7th number have 6 numbers, but in fact have 1,3,5,7, only four numbers! So this means is wrong in mathematics concept. Do you think? |