×

menu
Penana
search
search
Popular Tags
What Others Are Reading
Loginarrow_drop_down
Registerarrow_drop_down
Please use Chrome or Firefox for better user experience!
MR.writer
Joined Jun 24, 2023
MR.writer
Reader Reviewer
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/
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/
✪ From Taiwan ✪ Male ✪ Born 4th Oct ✪ Bachelor
About
 
Showcase
1
Contests
38
Followers
18
Following
17
Badges
15
Stream
698
Shop
Close
Writer's Blog
Sort By
Pinned Published Updated Title Likes Views
Story
MR.writer
速算
MR.writer
587 1 week ago · Updated to #8
MR.writer
MR.writer
 速算

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或有趣的題目。有沒有發現封面的那隻吉祥物是由math組成的！
數學 mr.writer 心算 速算
G Story
Add Bookmark Start Reading
FAQ · Feedback · Privacy · Terms

Penana © 2024

REGISTER
LOGIN

Forget Password?
OR
Login with Facebook
×
Subscribe
Go to the magazine
/
+ Add tip
The tip will be charged every payment period
+ Add promotion code
Apply close
Recipient Name

Shipping address



Phone Number


JOIN
Pay with
xxxx xxxx xxxx
Update payment method
Confirm Cancel
This is a one-time purchase.
If you don't cancel before the trial ends, you will automatically be charged the subscription fee every until you cancel. Renews automatically every , unless you decide to cancel. You can cancel your subscription at any time.
You can pay with non-card methods if you subscribe for 12 months.
Please leave your contact phone number here..
We will reach you soon by Whatsapp at the tel number you provide.
SUBMIT
Please enter phone number.

Credit card payment

You have subscribed to this plan already!

×
Interface Language:
Story Language: