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學習使我富裕- 第六章 這就是“後浪嗎?愛了愛了-輕小說の-萬花小說
当前位置:萬花小說>书库>輕小說の>學習使我富裕> 第六章 這就是“後浪嗎?愛了愛了

第六章 這就是“後浪嗎?愛了愛了

  蘇航見大家都不想接這兼職,就自己應了下來。


  蘇航自是有自己的考量。


  這家餐館不是隻開一兩天,那就不會去坑一個近在咫尺的大學的學生,假如他還想賺學生的錢。


  而這時間對蘇航也十分友好。


  不會耽擱白天的學習,也能把三個小時的課外學習給用完。


  工資也不低,可以給爸媽一個交代。


  吳陽感激地朝蘇航看了一眼。


  畢竟這次兼職介紹假如失敗的話,時間精力損失倒在其次,信譽總歸是有些影響。


  一個能夠滿足兼職雙方需求的中介才能占有市場。


  吳陽照例帶回並安撫了其他同學,蘇航則留下來和胡老板繼續商量具體事項。


  胡老板隨便找了個空位坐下,“胡有朋”。


  蘇航也跟著坐下,“蘇航”。


  “怎麽,小夥子不是有日薪300的兼職了麽,怎麽還來小店打雜了。”


  胡有朋打趣道,隨手在邊上的冰櫃裏拿了瓶可樂遞給蘇航。


  “胡老板別打趣我了。”


  蘇航擺擺手。


  “都是為了生活嘛。”


  “行,你把這份合同帶回去看看,要是可以明天簽完就來上班,先來加個VX”


  加完微信,胡老板從櫃台後麵拿出了一份合同,看來早有準備。


  “現在兼職都這麽正式了嗎?”


  蘇航翻閱著合同,一些基本的條款還是看的懂的,不過具體怎麽樣還得回去仔細研究研究,簽合同的事,再怎麽小心都不為過。


  “簽合同做為約束對我們雙方都有好處。”


  胡有朋給自己也開了一瓶可樂。


  “回去慢慢看吧,應該沒什麽問題。”


  蘇航合上合同,“行!”就帶上可樂離開了。


  回到寢室,吳陽給蘇航發了消息,感謝蘇航的救場。


  蘇航也順便把合同給吳陽幫忙看看,有沒有什麽問題。


  幾番確認沒有坑之後,蘇航簽好了自己的部分。


  和胡有朋在VX上確定了一下,隻等明天下午五點去餐館了。


  ……


  第二天一早,蘇航就被手機鬧鍾叫醒了,洗漱一番吃早餐,就出發去圖書館學習了。


  幸勇學長老早就在圖書館了,蘇航和他打了個招呼,就在對麵坐下了。


  今天要正式開始學習不定積分了。


  不定積分作為求導的逆過程,在有了導函數的基礎後學起來還是比較輕鬆的。


  蘇航簡單地翻閱了一下整個章節,完成了學習的預熱,正式開始了一天的學習。


  整個圖書館仿佛安靜了下來,蘇航的世界裏隻剩下自己、書和筆。


  一條條概念飛快的在腦海中記憶並理解。


  不定積分的性質也逐步展露。


  隨著筆在草稿紙上刷刷地計算,書上的例題化作了知識體係的肥料。


  高數這棵樹終於在蘇航心裏生根發芽了。


  要是連不定積分都沒學懂,那數學還隻能算是高中數學,這還沒到微分方程、向量代數呢。


  蘇航就這樣一路破關斬將地殺到了分部積分法,有點渴了,這才從學習中逐步脫離出來,看了眼時間,已經快12點了,學習時長也達到了三個小時。


  蘇航一邊拿著杯子去外麵裝水,一邊點開了三個可愛的獎勵。


  您已完成累計三次獎勵

  分別為“三星(280)”、“四星(360)”、“三星(300)”


  學習狀態良好,成果優良,請再接再勵

  達到四星了,蘇航暢快地喝了一口水,舒服了。


  這一趟圖書館沒白來,這裏的安靜不是一片沉悶的死寂,而是夾雜著翻書聲、寫字的沙沙聲,偶爾還有門外傳來的讀書聲、討論聲。這些聲音非但不會影響蘇航的學習狀態,反而會給人一種寧靜且踏實的感覺。


  此時已經到了飯點,圖書館人漸漸少了,剩下的也大多準備離開了。


  蘇航回到閱覽室,幸勇老哥還在題海中奮鬥。


  看那抓耳撓腮的樣子,應該是遇到難題了吧。


  蘇航湊上前去看看,幸勇注意到了蘇航,很幹脆地把題目亮出來。


  已知一條拋物線y=ax?+bx+c在點M(1,2)處的曲率圓方程為此處應有一個R?為1/2,圓心為(1/2,5/2)的圓的方程,求常數a,b,c的值。


  “就這題,我求出來曲率圓半徑的表達式了,可是加上M點也才兩個方程,試了一下,解不出來啊。”幸勇抓著頭發,濃密的眉毛擰成了一條波浪線。


  “你怎麽算的,我看看。”蘇航看完了題目,皺著眉頭想了一會兒,筆杆在手上旋轉著。


  幸勇遞過草稿紙,“就這樣算的啊,求二次函數的一階導,二階導,然後代公式,不都是這樣做嘛。”


  “不是,這題拐了個彎”蘇航在紙上刷刷地寫著,好在圖書館沒剩幾個人了,不然鐵定會被趕去外麵的,蘇航繼續說道,“曲率圓過M點,也就是說在這一點兩者有共同的切線。”


  “對啊,然後求二次函數的一階導數,不是嗎?”


  “我還沒說完,拋物線和曲率圓在這一點的k(曲率)也相同,所以有相同的二階導數,這裏就有兩個方程了,再把M點帶回拋物線,三個方程三個未知數。”


  蘇航刷刷地計算,答案出來了,“這樣就能算出來,不會出現二元三次方程,a=2,b=-3,c=3”蘇航算完了,把筆一合,蓋“筆”定論


  我c,幸勇有些不敢置信,自己想了這麽久的題,還不到三分鍾就做出來了?這還是大一萌新嗎?

  再仔細看過程,原來如此,求圓的導數而不是拋物線的導數,就不會出現三次方,就能很快算出來了。


  “牛皮啊,老弟,這水平,補考穩了!”幸勇一拍蘇航的肩膀。


  “哪有哪有”蘇航擺擺手,“我這水平,還不夠格,要是我室友的話,估計一分鍾就解決了。”


  “現在萌新都這麽猛的嗎?”幸勇突然覺得有點心肌梗塞,幸好自己出生早,不然這競爭也太可怕了,自己這水平,估計比掛科的蘇航學弟也好不到哪去。


  這就是“後浪”嗎?愛了愛了。


  “學弟先去吃飯吧,我再學習一會”幸勇說道,“再不努力,考研怕是沒希望了。”


  “那行,我回去了。”蘇航背上書包離開了圖書館。


  漢城的夏,總是那麽的熱,每一絲風都彌足珍貴,高高的梧桐樹努力伸展著枝葉,遮蔽了陽光,卻難擋熾熱。


  蘇航硬著頭皮走在路上,遠處的人影晃動,那不是人在晃,而是空氣在炙烤下蒸騰。


  上午完成了三個小時的學習,下午回寢室完成剩下兩個小時,之所以選擇在寢室,還是因為這夏日太熱,蘇航可不想讓自己帥氣的臉龐變得黑黝黝的。


  宿舍在一片樹蔭之下,加上空調、冷飲,簡直美滋滋。


  蘇航聽著屋外的蟬鳴,很快又進入了學習狀態。


  手機就擺在邊上,屏幕還是亮著的,裏麵顯示著宋玉函的筆記,上午主要是學習新知識,下午則是鞏固與提升,上課老師講了很多例題,都是進步的階梯啊。


  連續兩次的自製力提升,此時蘇航已經明顯感覺到自己不會輕易受外界因素幹擾了。


  就算現在有什麽事要離開,蘇航也確定自己能夠在做完後立刻再次進入學習狀態。


  時間在斑駁的日影下悄悄流逝,一陣鈴聲打破了寢室的寧靜。


  “鈴鈴鈴”

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