一个伤脑筋的数学提...跪求答案!!!

来源：百度知道 编辑：UC知道 时间：2024/06/22 09:50:54
小弟在做一个杂志封面有文字说明,每一行都需要有特定的间距,并且是递增的!顺序是如下,问题出在有N多行!多了就算迷糊了,求达人给指条捷径!!
例:
56。8+1。7
56。8+1。7+2
56。8+1。7+2+1。7

估计做杂志文字部分应该超不过80行,这样的话,一行一行加咯!哈哈，估计我们给出答案之前,你都已经做好了!嘻嘻!如果被我说中了,那么悬赏分就给我吧...另外还想补充一句,我老公很疼我...你要是不给我分,我老公就打扁扁你!哈哈!

如果N是偶数
则得 56.8+（N/2）（1.7+2）
如果N是奇数
则得 56.8 + 1.7*（N+1）/2 + 2*（N-1）/2

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