Ngày tải lên :
06/07/2013, 01:27
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Ctrl+K,,
≤
Ctrl+K,.
≥
Ctrl+K,~
≈
Ctrl+K,+
≠
Ctrl+K,=
≡
Dấu tồn tại, với mọi…
Ctrl+Shift+K,E
∃
Ctrl+Shift+K,A
∀
Ctrl+Shift+K,N
¬
Ctrl+Shift+K ,7
∧
Ctrl+Shift+K,\
∨
“Dấu tổng, tích”
Ctrl+Shift+K,=
±
Ctrl+Shift+K,+
m
Ctrl+K,T
×
Ctrl+Shift+K,/
÷
Ctrl+Shift+K,.
×
Ctrl+Shift+K,8
•
Ctrl+Shift+K,<
〈
Ctrl+Shift+K,>
〉
“Dấu ... phan
Ctrl+Shift+I,!
x
∫
Ctrl+Shift+I,S
z
y
x
∫
Ctrl+I
z
y
x
∫
Ctrl+Shift+T,X
congthuc
Ctrl+6,Alt+Right
y
v
Ctrl+^,-
AB
Ma tran
Ctrl+M,2
1 2
3 4
Ctrl+M,3
1 2 3
4 5 6
7 8 9
Ctrl+M,N Khai bao ma tran
Dau ngoac
Ctrl+9
( )
Ctrl+[
[ ]
Ctrl+T,[
[
Ctrl+{
{ }
Ctrl+T,}
{
Ctrl+T,|
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