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Japanese Language
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Mathis's user avatar
Mathis
  • Member for 5 years, 6 months
  • Last seen more than a month ago
  • Shenzhen, Guangdong Province, China
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Math and science teacher. Plan to study neuroscience for PhD.

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Top posts
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question
8
The usage of particle「に」：彼女に孫が一人いる。
Mar 17, 2020
question
7
Tense and conjugation: いないみたいでした v.s. いなかったみたいでした
Mar 19, 2020
question
6
住んでいた時 or 住んでいる時
May 31, 2020
question
4
です　vs. でした　to describe something in the past
Dec 22, 2023
question
3
「させていただく」or「させてくださる」
Nov 17, 2020
question
3
「見つかりません」v.s.「見つけません」
May 24, 2020
question
3
Meaning of 怒られた, scolded or angry at?
May 26, 2020
question
2
母になる vs. お母さんになる
May 27, 2020
question
2
Politeness of 何をお願いしましたか
May 29, 2020
question
1
Why did the author use ある and ない for people?
Sep 12, 2023
Top network posts
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23
Prove the inequality $\frac{b+c}{a(y+z)}+\frac{c+a}{b(z+x)}+\frac{a+b}{c(x+y)}\geq \frac{3(a+b+c)}{ax+by+cz}$
19
Is the property "being a derivative" preserved under multiplication and composition?
12
How to teach a student algebra who misses too much previous knowledge?
10
If $f:[a,b]\to \mathbb{R}$ satisfies $|f'(x)|<1, \forall x\in [a,b]$, is $f$ necessarily a contraction?
9
What can I teach a talented student who is enthusiastic about math?