... c khác nhau thoả mãn:
2 2 2
2
b c a
bc
+
2 2 2
2
c a b
ac
+
2 2 2
2
a b c
ab
= 1
Thì hai phân thức có giá trị là 1 và 1 phân thức có giá trị là -1 .
Câu 2:
Cho x, y, z > 0 ... của PT:
x
2
= y(y+1)(y +2) (y+3)
Câu 6:
Giải BPT:
2
2 2
1
x x
x
>
2
4 5
2
x x
x
- 1
Câu 7:
Cho 0
a, b, c
2 và a+b+c = 3
CMR: a
2
+ b...
... pronounce?
b
most
difficult
to
pronounce?
4 Which words in the list:
a are
like
words
in
your
language
and
mean more
or
less
the same thing?
b are like words in your
language,
but mean something
different?
... imprisonment.
c death.
12 You
appeal.
your
13 The
\scarriedout.
14
Your
sentence is
7\
15 You are acquitted.
72 Peace, war and international relations
WOR...
... of Contents
Modern Cryptography: Theory and Practice
By
Wenbo Mao Hewlett-Packard Company
Publisher
: Prentice Hall PTR
Pub Date
: July 25, 2003
ISBN
: 0-13-066 943 -1
Pages
: 648
Many cryptographic ... of Contents
Modern Cryptography: Theory and Practice
By
Wenbo Mao Hewlett-Packard Company
Publisher
: Prentice Hall PTR
Pub Date
: July 25, 2003
ISBN
: 0-13-06...