@math20001021: 四個分數相加=? 3/2x5+2/5x7+4/7x11+5/11x16=? #數學 #數學老師 #數學測驗 #數學問題 #數學題 #老師 #測驗 #挑戰 #南一中 #台南 #台南一中 #街頭採訪 #街頭 #學習 #學習成長

三秒數學-數學邏輯客

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Wednesday 19 June 2024 03:30:00 GMT

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Comments

Moreno :

這個同學沒穿拖鞋耶😆

2024-06-19 13:50:44

7

king of basketball :

雖然是高一的東西，但我忘光了

2024-06-22 01:15:37

1

小劉 :

內湖高工

2024-06-25 12:03:01

0

†ＺαＣＫ† :

國中好像就有教過了

2024-06-24 03:54:30

0

KI|熱狗哈哈 :

國中可以嗎？

2024-07-22 12:48:49

0

師匠林 :

很尊重的老師能讓學生提高學習素質。為你點贊

2024-06-30 01:32:15

1

鄭宇豐 :

中山大學附中

2024-06-27 11:38:24

2

ˇ₱₳Ø║軒羽˶'༥'˶ :

不愧是南一中

2024-06-23 04:06:51

1

芯醬 :

滔滔社社長ㄟ

2024-07-26 05:34:17

0

ﮩ٨ـﮩﮩ٨ـ♡ﮩ٨ـﮩﮩ٨ﮩ :

國2不會正常嗎

2024-06-20 14:09:22

0

亥卯未 :

國家未來的棟樑、加油👍

2024-06-19 05:30:20

5

Helllow :

直接打TI-84就好了

2024-06-19 14:43:49

4

莊彥凱 :

分項對消

2024-06-19 03:37:17

4

NKCS :

基本上國中生都看過的題型

2024-06-19 12:47:28

3

沈加怡 :

給多一點錢啊! 大陸都問歷史。答對一題50元, 對兩題500, 對三題1000，…...最後一題答錯歸零。👍

2024-06-20 10:33:21

2

番茄 :

國中有教吧？😳

2024-06-19 08:32:54

2

雨天 :

這個同學很厲害

2024-06-25 15:33:10

1

echo :

🥰🥰好厲害啊…天才

2024-06-23 08:43:53

1

數學博物館劉清田 :

分享對消之後，只剩下第一項減最後一項。

2024-06-23 05:05:03

1

數學博物館劉清田 :

原本題目的四個分數相加，就會拆成八個分數，第二項與第三項會抵銷掉，第四項與第五項會抵銷掉，第六項與第七項會抵銷掉，最後只剩下第一項與最後一項，觀念清楚的人，是可以心算的喔！

2024-06-23 05:03:16

1

數學博物館劉清田 :

分項對消，就是把一個分數拆成兩個分數相減，當分母的兩個數字之差等於分子的時候，這個分數就可以拆成兩個分數相減，它們的分子都是1。

2024-06-23 05:02:17

1

三秒數學-數學邏輯客 :

台南學校的同學們，校門口等我們隨時突擊喔😁

2024-06-22 15:24:52

1

Freestyle1970712 :

😳😳

2024-06-21 20:46:58

1

簡茂安 :

舊教材隨便找都一堆還有公式。

2024-06-21 05:07:10

1

王小民 :

果然是南ㄧ中👍

2024-06-19 15:15:15

1

ziv :

強耶

2024-06-19 07:44:25

1

喜歡蘿莉的冒險家 :

什麼時候要去私立學校問

2024-07-05 01:20:24

0

呀～～ :

很簡單，但不知道為啥大多數的人都想不到這種方法

2024-07-03 10:03:50

0

0327 :

不就是sigma的補習班78題

2024-06-27 09:48:27

0

bbbb87 :

@bbbb88 怎算看不懂

2024-06-22 02:08:09

0

女人 :

台南一中

2024-06-22 01:35:37

0

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