de kiem tra tuan




 ! " #$% &

'()%*+,-./0
12  
3.
456578
9:
65;<
3:=
'65;<
'(>?6@//A,>-:/0
a) ?2B+* #CD>E>E7
F3'>G:HI
0?2B+*/A #C >E9
FJ'9G:H>
 0?2B+*/A #+K JELJE>7
F>'>:GIH:
04--M-N<;< MOP5QRSO/;T 9 1(%  SO/;T P5
7
F9 2 '> 2 G: 2 H>J 2
'(   +
3.J>
:I
'(J12
'*%65;<
'655;<+
65
'(.4 UJ>.S-M UV<4.S

a. WVPX #MY,-./0
b. WVPX #S4MY,-:/0








WV>L>EJZ
,[0 /T :-./6\%S ]
 >
N  " #$% &

 ^:
'WV,>/0
.E>E9Z9:Z EJ_>ZI_.E9Z
'>12-/ ` 2  +a /A,/0
N   bDV 
>.J
 4565
:.Z::L.
3Z3:L
65 V
I:
'; U=. PX- U> PX-4 UV<aPXS473 
a. WVaPXS;Y,/0
b. WVPX #4Y,>/0
c. WVaPX #S;-4Y,/0



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
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2. Tự luận: (7,75 điểm)
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