HOC24
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n-6 chia het cho n-1
n-1-5chia het cho n-1
5chia het cho n-1
n-1 la uoc cua 5
thay gia tri roi tinh n nhe,sorry vi mk ko the lam het cho pan dk
|a|=2=>a=2 hoac a=-2
voi a=2:
M=2+2.2.2-2
M=10-2=8
voi a=-2:
M=(-2)+2.(-2).2-2
M=-12
x^2=5x
=>x^2:x=5
=>x=5
vay x=5
- we expect to stay at a hotel on the east coast
-we would be grateful if youcold send us some imformationwith details of charges
-my daughter ***** likes traveling by coach,so we wish to go by air
take the firt TURNING on the left,go staigh.The bookstore is at the end of the street