Ngày soạn: Ngày dạy:
!
• "#$%&'($)*+, /0$123//4.*"'"564/$&*758$%&9"4*
/$&*758$
• 91:2*/4.*'"564""%&+$*
• 1",/"5);<+2)/+#7/$=//'"564+#/4.*"5%&+$*>/
"#?$*.//'"564?,-/9"/4.*@
ABACD EF !FGE
• F A=*?23/*")7>H=*'"$)@*"H&IIJI>KJKL@
• H=*"7JH$%H=*
!MNOPE
)+4.*/$="5Q1 )+4.*/$=?&
)+4.*R
L !BMAG S>'"@
T R$466""'"564
U&7","&V
",:H&IR>KIL@/5$JH
W $466""'"5 64 %
/"$*(,-()*"'"564//$&*
758$(,-*?4Q66"//,& %-
"$
"564&/,=U-"-U&'"564
U-"-
",:H&IR>JH@
@
7
6
%&
2
Lª Quang TuyÕn Trêng THCS T«n ThÊt ThuyÕt
Trang 87
T F7&/"H0$123//4.*
"'"564+:"./-=#$"./"
%X($)
T F"?H=*()*4#*0$
'"H#$/$=
m
ba
m
b
m
a
+
=+
>JHJ7∈Y7≠Z@
bd
bcad
bd
bc
bd
ad
d
c
b
a
+
=+=+
T ]$4/4.*K'"564//$&*
758$64/4.*K,=64%-"$/&
*,=*$1758$64
]$4/4.*"'"5649"/758$
64%"'"564//$&*758$J
?4Q/4.*",=64*,=*$1758$64
FX($)
5
6
5
42
5
4
5
2
=
+
=+
4
5
4
3
4
2
4
3
2
1
=+=+
3
2
−
=
+−
=+
−
9
5
9
)7(2
9
7
9
2
9
7
9
2
−
=
−+
=
−
+=
−
+
'"H#$0$123/",L>K_@
H@[$123/L`K_a
/@4#*0$
7
−
+
−
m
ba
m
b
m
a
+
=+
>JHJ7∈d7≠Z@
R
@
1
8
8
8
5
8
3
==+
K
H@
7
3
7
)4(1
7
−+
=
−
+=+
4.*K64*$1U&?,-&*" '
?*/$=/4.*"'"564%c7.64
*$1+Q$+, /%(,-()*'"5
64/758$H2e*R
FX($)T_Wbf
1
5
−
W
1
3
f
1
35
+−
f
1
2
−
fTK
R
@
25
)8(7
25
8
25
15
−
=
−
=
K
3
2
6
4
6
)5(1
6
5
6
1
−
=
−
=
−+
=
−
+
)+4.*b
LG^>RK'"@
] $4/4.*"'"5649"4*/$&*
758$U&7"&V
] $40$1+4Q*758$64//'"564
+
b_
`a`_a
f
35
1
35
)15(14
−
=
−+
Vb
R
@
15
4
15
10
15
4
3
2
+
−
=+
−
R_
`_a`Ra
f
)27(22
30
27
30
22
−+
=
−
+
6
1
30
5
−
=
−
=
b
/@
3
7
1
3
7
1
+
−
=+
14
13
6
−
+=
−
+
f
39
4
39
)14(18
=
−+
K
(@
)5()9(
9
2
5
4
18
4
5
4
18
4
5
4
−
+
−
gTR
H@
22
3
22
15
−
+
−
g
11
8
−
/@
5
3
g
5
1
3
2
−
+
(@
4
3
6
4
−
+
−
fTR
H@
22
3
22
15
−
+
−
`
11
8
−
/@
5
3
a
5
1
3
2
−
+
(@
4
3
7
/".
6
1
−
P$/5Q$*="X/")6/".
*?h;U&
6
1
−
V
)+4.*_
ijO^F!kG>K'"@
• ./"$4./0$123//4.*'"564
• "$1?$*.'"564>$/"#@?,-/9"U&7"2)/90$=
A&5)'%Q"&A&IbJI_>KL@
A&_lJ_JZJRJbA`RKa
Ngày soạn: Ngày dạy:
lZ
mP!
!
• H%5)($)*0$123//4.*"'"564/$&*758$%&9"4*/$&*758$
• 91:2*/4.*'"564""%&+$*
• 1",/"5);<+2)/+#7/$=//'"564+#/4.*"5%&+$*>/
"#?$*.//'"564?,-/9"/4.*J?$*.90$=@
ABACD EF !FGE
• FKH=*'"$)*"H&K>H@A+#/"-?&/"-
• H=*"7JH$%H=*
!MNOPE
6
21
3
+
−
(@
21
15
24
18
−
+
−
L#7?K
R $ 0$1 2/ /4.* " '"5 64
9"4*/$&*758$64
K ",:H&I_`KLa
c7;H
@;f
4
3
2
1
+
−
H@
30
19
6
5
−
=
−
+
−
K"H#$0$123/J/=U-'"5);<
@;f
4
1
4
3
4
2
4
3
2
1
=+
−
=+
−
H@
30
19
6
5
5
x
−
+=
1
+
H@
4
7
5
3
−
+
/@
6
5
)2(
−
+−
A&K
>A&_A@4.*//'"564
@
8
5
8
1
−
+
−
.bUH=*U&7+4Q*"-&b/5$
JHJ/
R@
30
17
/@
6
17
6
5
6
12
6
5
)2(
−
=
−
+
−
=
−
+−
.bUH=*U&7+4Q*"-&b/5$
JHJ/
R@
8
5
8
1
8
5
8
1
−
U&7"&VFc6V
@
58
16
29
3
+
−
H@
45
36
40
8
−
+
/@
27
15
18
8
−
+
−
A&I
>A&bA@+4
F*.K+./+QH&%&723+Q
H&
F* 1$U&7?*"c74.*-&
748*,-&U&7+, /751'"5Q/4*
%)/V
84
4
28
1
21
1
−
+
−
=
−
+
−
12
1
84
7-
−
==
]+./+QH&%&"5);<
]?,-/9"U&7'"<'/4.*?$
*.'"564+#+,%Q'"5644
*=%&9"0$1+4Q*758$6<:*.
"-$+bUH=*U&7"<
"5);<
R@
29
5
29
8
9
9
9
5
9
4
27
15
18
8
−=
−
=
−
+
−
=
−
+
−
+./+QH&J723+QH&
723$U&7?*
*,-&","5U&775I*-&
*,-&","U&775b*-&
$U&7/"$*"c74.*-&U&7+, /
H"$
R*-&/="*,-&/$&*U&7%)/
+, /
3
1
−
/,=H2e*
Tb
TA+4#//'"564
7
1
−
%&
8
1
−
+#
/,=H2e*TbJ?4Qc7//'"564
b
a
F9#7?J/"+#7//"7U&7
H&4J?c"H&1?:?&*
4.*-&*,-&",K U&7+, /
3
1
/4*%)/
4.*-&/="*,-&/$&*U&7+, /
12
7
12
4
12
3
3
21
3
7
1
−
=
−
<
−
<
−
<
−
=
−
4#*//'"564+U&
506
135
506
66
506
69
23
3
22
3
)22()23(
−
=
−
−
12
1
2
1−
3
2
6
5
4
3
−
TR
12
7
−
12
7
4
3
6
5
−
)+4.*/$="5Q1 )+4.*/$=?&
)+4.*R
L !BMAG S>l'"@
F$/5$"=9#7?
R7":1/"H'"<'/4.*64
*$1/",:*X"/"5*cV$
()*4#*0$
",)/")'"<'X"
5
3
3
2
−
+
%&
3
2
5
3
+
−
M$?"5);<
UH=*9#7?/4* ",/
4#*0$J/=U-'"5);<
T R"<'/4.*64*$1///X"
/"5
W "WHfHW
W L" '>WH@W/fW>HW/@
W 4.*%-64ZWZfZWf
−
"5);<"<'/4.*'"564/X"
Lª Quang TuyÕn Trêng THCS T«n ThÊt ThuyÕt
Trang 97
T K",)/")'"<'X"
@
4
3
2
1
3
1
+
−
+
]
+
6
3
6
2
4
3
2
1
3
1
+
−
+=+
−
+
12
7
−
+
4
3
4
2
3
1
4
3
2
1
3
1
12
7
12
3
12
4
4
1
3
1
=+=+=
"<'/4.*'"564/X"/"59
" '
H@
5
c
b
a
+=+
H@X"/"59" '
++=+
+
q
p
d
c
b
a
q
p
d
−
+=+
−
6
1
2
1
3
2
3
2
2
1
H@
=
++
−
=+
=+=+
4#*/$="Q$'"564/$:*/
X"/"5*"%&9" '
"-&X"/"5/-/-H=/$='"564
9"/4.*"Q$'"564/"#+4#
/"4#"2)/"7//'"56464U)
"<H5/,//"&6/"%)/X"
+, /"$5))
)+4.*b
FO>Rl'"@
F"-&"5);<?<7":1X"
""4#*//'"5646$
f
7
5
5
3
4
1
7
2
4
3
++
−
++
−
F/"U&7
VK
/=U-'U&7%&
3
+
++
−
+
−
>X"/"59" '@
f
5
3
1)1(
++−
f
5
3
0
+
f
+++
−
+
−
>X"/"5*"@
Lª Quang TuyÕn Trêng THCS T«n ThÊt ThuyÕt
Trang 99
A&Il`KlLa
F\,l57Hc/23","c"l`Kl
La
4#/",//"/"-o"<'"c"o
"*"<'""//7="Hc+#
"=7:1$/5Q$/$=+QH&
@
4
1
"c"?&
H@
2
1
"c"?&
/@
12
7
"c"?&
Af
19
4
23
Af
19
4
0
+
Af
19
4
>/4.*%-Z@
K
f
30
5
6
2
21
3
2
1
+
−
++
−
f
6
1
3
1
7
1
7
1
6
1
6
2
6
3
+
−
+
−
+
−
f
( )
7
1
1
+−
f
7
6
7
2
12
1
=+
H@
12
4
12
2
2
1
12
1
12
5
+==+
/@
12
7
12
4
12
2
12
1
12
2
12
5
=++=+
−
YZY
2
1
Y
3
1
Y
6
1
Y
>&"-&*/"U&7H&_Z
>KL@@
T \Q64"X/"" '%&4?4*
.,&*+,*)/"48?=U-&
F*"90$=%&H=*
4.%&"23/U)
\./91:+QH&%&,)c7//"*=
_//"/".U&
@
2
1
−
W
3
1
W
6
1
fZ
−
W
6
1
−
fZ
5
3
−
W
Lª Quang TuyÕn Trêng THCS T«n ThÊt ThuyÕt
Trang 101
2
1
f
10
1
−
W
W
W
4
1
−
W
6
5
−
f
+, /" 'U1"5U&9"/4.*"Q$'"564
• 1",/0$6+2)/+#7//'"564+#%5)($)*//X"/"5/-H=
/$='"<'/4.*'"564
AF !BACD EFGE
• F/"$5#HhH=*'"$)*"H&5)'_bJIJ>bZJbRL@
• H=*"7JH$%H=*
!MNOPE
)+4.*/$="5Q1 )+4.*/$=?&
)+4.*R
L !BMAG S>'"@
R"H#$//X"/"5/-H=
/$='"<'/4.*'"564%&%()*
4#*0$
",:H&I`KLa
K",:H&_K`KLa
RUH=*'"H#$%&%4#*
0$
A&I`KLa
$ bZ '"$ $&* + +, / 0$=*
+,-&*U&
36
8
36
9
36
12
9
2
4
7
7
2
3
2
5
6
WH
27
11
23
11
Lª Quang TuyÕn Trêng THCS T«n ThÊt ThuyÕt
Trang 104
10
13
14
9
K
5
8
)+4.*K
mP!>bZ'"@
A&_b`bZLaor51,-&*o
F+,H=*'"$)/*"62pH&_b
7":1;51,-&*H2e*//"+Q
//'"564"X/"" '%&//%
*)/""<0$123/6$
fHW/
$+*.,&*?=U-&J/5Q6,=
UH=*6,=U)/"+$*
A&__
`bZLa
4#/",/?&/"-
F+,H=**"H&__>bZL@
"K4#"c790$=J+Q%&4
?4*/"90$=U&'"564
4*=484#/74.H$/"$1Q
1"$U+Q90$=*-&
7484+Q+$*+, /R+#7J9
0$=/",?$*.?$&ZJ_+#774.
4
4#&'"")+, /"$:*9
0$=*4*"$+Q""6<:+, /
",-=*"7K+#7
F/$&*/=U-' /"+#7J9"<
17
4
−
17
7
17
1
17
1
17
3
17
7
12
13
2
13
10
−
=
−
+
−
>+$*@
b/@
2
1
6
3
6
1
6
4
6
1
3
2
==
−
+=
−
+
Lª Quang TuyÕn Trêng THCS T«n ThÊt ThuyÕt
Trang 106
",-=*4#"23*
A&_
`bRLa
F*"UH=*J1<$/5Q$/=U-'
/$&*U&7
$K'"$J*.bUH=*U&7
+4Q*"-&
A&5)'K
`RIAa
A&R
"564
15
8
−
/"#%+, /
(,-()*4#*/$=b'"564/,=
H2e*TR%&758$9"/"$
"2s*")
30
)1()5()10(
30
16
15
8
−+−+−
=
−
+
−
15
16
15
6
15
10
−
=
−
+
−
A&__`bZLa
4#"+Q""4?4*
W
2
1
−
9
5
36
1
18
11
−
2
1
7
18
1
12
7
−
18
11
−
9
10
−
18
1
−
12
7
−
9
11
−
&U-'/$&*U&7+#9#7?
/=U-'U&7H&5)'bUH=*
?c"H&1
R@f
−
++
3
2
7
5
7
2
Lª Quang TuyÕn Trêng THCS T«n ThÊt ThuyÕt
Trang 108
A
3
2
7
5
7
2 −
+
8
3
4
1
+
−
+
−
=
8
1
8
5
8
4
=+
−
=
60
)5()12()15(
60
−
=
)+4.*b
D>_'"@
• ."23/U)0$123//4.*'"564
• X"/"5/-H=/$='"<'/4.*'"564
A&5)'?23/*")7
?*///5$6$:1/"./5$+$*
$4/4.*"'"564
3
2
−
%&
5
3
U&7",6$
@4.*,=%-,=J/4.*758$%-758$>/5$6@
H@"5758$/$='"564
3
2
−
%-_J"5758$/$='"564
5
3
%-b?4Q/4.*
",=U)>/5$6@
Lª Quang TuyÕn Trêng THCS T«n ThÊt ThuyÕt
Trang 109
• #$?:740$")*,:'"<'/4.*%&'"<'?,&'"564
ABACD EF !FGE
• F/"$5#HhH=*'"$)*"H&R`bbaL%&0$123/o?,&'"564o
• H=*"7JH$%H=*
!MNOPE
)+4.*/$="5Q1 )+4.*/$=?&
)+4.*R
L !BMAG S>_'"@
F.RUH=*
"H#$0$123/'"<'/4.*'"5
64>/$&*758$J9"/758$@
'"H#$0$123/",L
Lª Quang TuyÕn Trêng THCS T«n ThÊt ThuyÕt
Trang 110
'($)*X"
@
5
3
5
3
−
+
H@
3
2
3
2
+
−
+
H@
0
3
2
3
2
3
2
3
2
=+
−
=+
−
/@
9
2
5
4
18
4
5
4
−
+=
−
+
45
5
3
−
F
5
3
%&
5
3
−
U&K64/0$")",
"&V
F1$/5Q$U&7
VK
*.R+,*
)/"48?=U-&
5
3
%&
5
3
−
U&K64+4"$
3
2
U&64+4/$='"564
3