HINH8 TIET23(THEO CHUAN)

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Tiết 23: LUYỆN TẬP
A.MỤC TIÊU: !"#"$%
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2
/)3456$$*$.7/$8 $ !895$:$
-,-9;"<$:$-,&
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B.PHƯƠNG PHÁP GIẢNG DẠY:#-AB;-CD
>$E$$
C.CHUẨN BỊ GIÁO CỤ:
FG9-#>$H
F*$IJKL$$7M$$CNC$6$J;895$:$
-,&
D.TIẾN TRÌNH BÀI DẠY:
1.Ổn định tổ chức- Kiểm tra sỉ số:OPQ
RHKST>U"VW
RHKSX>U"VW

2. Kiểm tra bài củ:OYPQ
Z#L$$7-M$$C<$:$-,
[9NC$6%$J; !895$:$-,&
3. Nội dung bài mới:
&\]-CDOPQ$/
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HOẠT ĐỘNG CỦA THẦY VÀ TRÒ NỘI DUNG KIẾN THỨC
Hoạt động 1.
GVN`AK$a$!NJK
S=.^?5#A&
!$b ^A5cJKS=
GVG*N69$8$U^A
5c&
>^A5c
Bài tập 83 (sgk)
QO-:d$.$,e$Q
Q\f

Q\f
NQ
?Q\f
XJK
[00fZ
:$$589b
T& $c$ge$
X& $c$g-,b&
[& c$ge$-
-,b
h& c$g-,b
^%  ic&
O\9K9hQ
Hoạt động 2
GVj#$5 JKS.&
\*D-$E$6&
GVHNk$-l$:$&
Vl$:$
GVHNk$ 9^#&
)TX[h5$:$-,^D:Z
>^A5c
GV>mTnoXpo[Goh^
D:Z9$nppGGnZ
>^A5c
GVnpG$# D.6:%5$:$
-,Z
hE-E q<- 
9^#&
Bài tập 82 (sgk)
TX[h5$:$-,&

TnX


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[$8 $
[ npG5$:$-,&
TX[h5$:$-,
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4. Củng cố:
)GV$6$"59$$8 $895$:$-,&
)$W59JKu5
Y&h]Nv

)IJK5!.;$8u$*^$_w
90$x,JKm0;0s
)>;,JK$_&