một só thắc mắc về kí hiệu toán
#1
Đã gửi 20-09-2011 - 21:34
#2
Đã gửi 20-09-2011 - 21:45
Discovery is a child’s privilege. I mean the small child, the child who is not afraid to be wrong, to look silly, to not be serious, and to act differently from everyone else. He is also not afraid that the things he is interested in are in bad taste or turn out to be different from his expectations, from what they should be, or rather he is not afraid of what they actually are. He ignores the silent and flawless consensus that is part of the air we breathe – the consensus of all the people who are, or are reputed to be, reasonable.
Grothendieck, Récoltes et Semailles (“Crops and Seeds”).
#3
Đã gửi 21-09-2011 - 06:04
#4
Đã gửi 21-09-2011 - 17:30
#5
Đã gửi 21-09-2011 - 19:56
Cho dãy $a_1,a_2,a_3,...,a_k$.
Ta có thể tổng quát dãy bằng cách biểu hiện số $a_i$ với $i= \overline{1,k}$.
Như vậy $i$ ở đây là giá trị từ $1$ đến $k$.
- trandat yêu thích
Discovery is a child’s privilege. I mean the small child, the child who is not afraid to be wrong, to look silly, to not be serious, and to act differently from everyone else. He is also not afraid that the things he is interested in are in bad taste or turn out to be different from his expectations, from what they should be, or rather he is not afraid of what they actually are. He ignores the silent and flawless consensus that is part of the air we breathe – the consensus of all the people who are, or are reputed to be, reasonable.
Grothendieck, Récoltes et Semailles (“Crops and Seeds”).
#6
Đã gửi 21-09-2011 - 20:30
Bạn có thể giữ được sự bình tĩnh của bạn;
Còn khi bạn sai,
Bạn không thể để mất sự bình tĩnh đó”.
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