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  • Writer
    MR.writer
    MR.writer
    雖然取這個名字,但不太擅長寫小說,
    加入penana只是為了閱讀,文筆平淡無奇,偶爾會參加點創挑,但很愛舉辦創挑.

    很怪我知道...

    頭像為自己用math四個字母製作，是本人作品《速算》中的吉祥物
    https://www.penana.com/story/152194/%E9%80%9F%E7%AE%97/
    See more
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速算
數學 mr.writer 心算 速算
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9.8K
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Table of Contents Intro Comments (119) Top sponsors
swap_vert
#1
開場
6 Likes
184 Reads
1 Comment
☰
#2
兩位數X11速算法
8 Likes
243 Reads
15 Comments
☰
#3
多位數X11速算法
9 Likes
116 Reads
2 Comments
☰
#4
多位數X一位數
5 Likes
95 Reads
0 Comments
☰
#5
抽籤的公平性問題
6 Likes
123 Reads
4 Comments
☰
#6
分數相加相減
2 Likes
92 Reads
1 Comment
☰
#7
兩位數平方速算
2 Likes
99 Reads
10 Comments
☰
#8
數學小遊戲 1A2B
2 Likes
87 Reads
47 Comments
☰
#9
兩位數乘法(特殊1)
2 Likes
53 Reads
0 Comments
☰
#10
兩位數乘法(特殊2)
2 Likes
69 Reads
2 Comments
☰
#11
珍奶問題
2 Likes
58 Reads
0 Comments
☰
#12
基準乘法(100為基準篇)
3 Likes
55 Reads
6 Comments
☰
#13
畫圖乘法
2 Likes
47 Reads
1 Comment
☰
#14
數獨(Sudoku)
2 Likes
58 Reads
1 Comment
☰
#15
兩位數乘法運算
2 Likes
56 Reads
0 Comments
☰
#16
各種小撇步
2 Likes
49 Reads
2 Comments
☰
#17
多位數÷9
2 Likes
43 Reads
0 Comments
☰
#18
3.141592653589793...
1 Like
59 Reads
10 Comments
☰
#19
001 【找規律、填數字、水桶問題】
3 Likes
74 Reads
5 Comments
☰
#20
002【湊數、填數字、排火柴問題】
2 Likes
31 Reads
6 Comments
☰
#21
003【找規律、直式還原、排火柴問題】
2 Likes
46 Reads
0 Comments
☰
#22
004【湊數字、排火柴問題】
2 Likes
24 Reads
2 Comments
☰
#23
005【多條件、湊數字、定義應用問題】
2 Likes
28 Reads
2 Comments
☰
#24
006【平分、求人數、找規律問題】
2 Likes
22 Reads
0 Comments
☰
#25
007【找規律、換物、排火柴問題】
2 Likes
38 Reads
0 Comments
☰

某上班族心血來潮開的新坑，想跳就跳吧。這不是數學，只是單純的速算，本人會盡量用最簡單易懂的方式讓你了解。有時也會補充些小知識，題目會從網路上抓，或是之前曾聽過的，有好題目也歡迎一起分享。

有沒有發現封面的那隻吉祥物是由math組成的！

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4 likes
左道 左道
霧散、秋殘 霧散、秋殘
小豬瑩瑩 小豬瑩瑩
W.H. W.H.
swap_vert
#1
開場
6 Likes
184 Reads
1 Comment
☰
#2
兩位數X11速算法
8 Likes
243 Reads
15 Comments
☰
#3
多位數X11速算法
9 Likes
116 Reads
2 Comments
☰
#4
多位數X一位數
5 Likes
95 Reads
0 Comments
☰
#5
抽籤的公平性問題
6 Likes
123 Reads
4 Comments
☰
#6
分數相加相減
2 Likes
92 Reads
1 Comment
☰
#7
兩位數平方速算
2 Likes
99 Reads
10 Comments
☰
#8
數學小遊戲 1A2B
2 Likes
87 Reads
47 Comments
☰
#9
兩位數乘法(特殊1)
2 Likes
53 Reads
0 Comments
☰
#10
兩位數乘法(特殊2)
2 Likes
69 Reads
2 Comments
☰
#11
珍奶問題
2 Likes
58 Reads
0 Comments
☰
#12
基準乘法(100為基準篇)
3 Likes
55 Reads
6 Comments
☰
#13
畫圖乘法
2 Likes
47 Reads
1 Comment
☰
#14
數獨(Sudoku)
2 Likes
58 Reads
1 Comment
☰
#15
兩位數乘法運算
2 Likes
56 Reads
0 Comments
☰
#16
各種小撇步
2 Likes
49 Reads
2 Comments
☰
#17
多位數÷9
2 Likes
43 Reads
0 Comments
☰
#18
3.141592653589793...
1 Like
59 Reads
10 Comments
☰
#19
001 【找規律、填數字、水桶問題】
3 Likes
74 Reads
5 Comments
☰
#20
002【湊數、填數字、排火柴問題】
2 Likes
31 Reads
6 Comments
☰
#21
003【找規律、直式還原、排火柴問題】
2 Likes
46 Reads
0 Comments
☰
#22
004【湊數字、排火柴問題】
2 Likes
24 Reads
2 Comments
☰
#23
005【多條件、湊數字、定義應用問題】
2 Likes
28 Reads
2 Comments
☰
#24
006【平分、求人數、找規律問題】
2 Likes
22 Reads
0 Comments
☰
#25
007【找規律、換物、排火柴問題】
2 Likes
38 Reads
0 Comments
☰

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