第八十九章 来自《数学知识报》的采访
笔趣阁(biquge321.com)更新快,无弹窗!
钟做完卷子……吹牛都不打草稿!
“看来秦克同学对于做题速度很有自信,要不要来挑战一下我手里的题目?我正好有一堆数学题目,由在场的乘客协助从中随机抽题,你来做,我这边计时,怎样?”
秦克爽快道:“行。”
何炜作为《数学知识报》的记者,工作之上就是收集各处的数学难题,很快有看热闹的乘客大叔自告奋勇地站出来,协助何炜从一堆题目中抽出一道题,递给秦克。
何炜用手机打开计时器,放到题目旁边。
秦克扫了眼,是道几何题,带图,图由三个交错的圆形和梯形组成,求阴影部分图形的面积,难度大概在省赛级别。
他拿起笔,两分钟不到就写完了。
众人看他放下笔都愣住了,这就做完了?太快了吧?目光齐刷刷落到乘客大叔身上——他手里有题目的答案。
乘客大叔拿着答案为难道:“最后计算出来的数字是对的,但他写的过程和我手里的标准答案完全不一样,短很多,我不知道这样的情况算是做对还是做错。”
何炜却双眼闪闪发光,他自然能看出秦克用的是比标准答案还要简洁高效的解题过程,他又问道:“秦克同学,你还能想到别的解法吧?”
“可以。”
秦克刷刷刷就又写了一种,这次花了两分半钟左右,过程更长。
乘客大叔看秦克气定神闲,也不敢乱开口了,只是说:“最终结果没错,但过程还是和我手里的答案不一样。”
“秦克同学,你继续再想想别的解法?”
“那我干脆再写三种,写够五种解法吧。”
七分钟后,秦克第三次放下了笔,乘客大叔松了口气,指着其中一个答案道:“这个过程基本上和我手里的答案一样。”
何炜却惊讶道:“秦克同学,你这第五种方法,用的是微积分里的定积分吧?”
“对,就是黎曼积分。不过按奥数的规则,不能用超出高中数学的知识点,这个答案不能算分就是了。”
“这不是大学数学分析里的知识点吗?你……你自学完大学的这些课程了?”
“闲来无事时翻了翻数学分析,其他分支暂时没空看。”
“自学?”
秦克理所当然地点点头。
何炜这回是真倒抽了口凉气,微积分可不容易自学,关键是这个高二学生不但自学完了,还能熟练应用到解题中,这就是真牛了。
看看计时,才过去12分钟左右,还包括对话时间,这个学生就用五种不同的解法将这题解了个体无完肤,连骨头都肢解了……
观看了全程的乘客们看向秦克的目光都不一样了,啧啧的称赞声接连响起。
这个爱吹牛逼的学生,似乎真的很牛逼啊!
“秦克同学,接下来你再做五道题,每题只用一种方法,看看你能多久做完?”
“行。”
这回又换了另外五个乘客来抽题,秦克只看一眼题目就作答,这回更夸张,八分钟不到,五道题目全都做完了,最终结果没错,但解答过程有些与标准答案一样,有些不一样。
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