Đố vui để học Toán






Gãc bÑt
Gãc bÑt
sè 14
sè 14

 !" #
Giao ®iÓm cña ba ®êng cao
Giao ®iÓm cña ba ®êng cao
$%&'(
$%&'(
)*(+,
)*(+,
80
80
-./&0)12
-./&0)12
!333#33!33
!333#33!33
TiÒn thøc ¨n : 35.000 ®ång
TiÒn thøc ¨n : 35.000 ®ång
TiÒn hoa qu¶ : 15.0000 ®ång
TiÒn hoa qu¶ : 15.0000 ®ång

456789888:1;<
456789888:1;<
/&9=.>1;>?>
/&9=.>1;>?>
/& 89888:9@>
/& 89888:9@>
107
107
H×nh vu«ng
H×nh vu«ng
@+,A
@+,A
)*+,<(>
)*+,<(>
0B
0B
88908684828078767472706866646260585654525048464442403836343230282624222018161412109876543210

CAD%
CAD%
E
E
PhÐp b×nh ph¬ng
PhÐp b×nh ph¬ng
4 sè: 1,2,3,734
4 sè: 1,2,3,734
F.807
F.807
G7
G7

Träng t©m
Träng t©m
cña tam
cña tam


gi¸c
gi¸c
)*0+,
)*0+,
G.'(E
G.'(E

4225
4225
-H2
-H2
I
I


3
3
c«ng nh©n
c«ng nh©n
'J+K&JLG'M%
'J+K&JLG'M%
!8DNOG+6B&
!8DNOG+6B&
DH9PQG)GB#8&DH

DH9PQG)GB#8&DH
#88DN07M%
#88DN07M%
Tam gi¸c ®Òu
Tam gi¸c ®Òu
(E%:,
(E%:,
$%
$%
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Số
15
15
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Hai góc kề bù
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@'<
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RT7 UVDW
0,1E
0,1E
111, 102, 120, 201, 210,
111, 102, 120, 201, 210,
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(!XY(
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X>0T!


Phép lập phơng
Phép lập phơng
CAD%0E
CAD%0E


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Số mới
nhỏ hơn
nhỏ hơn
số ban đầu
số ban đầu
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4'+6;78Z:&
8Z9[(Q+6<\
8Z9[(Q+6<\
0
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Tam giác cân, tam giác đều
Tam giác cân, tam giác đều
]X(-L+,
]X(-L+,
G.:,D%(+,
G.:,D%(+,
$+,
$+,
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@D+?^'QD
@D+?^'QD
_E
_E

Hai ph¬ng tr×nh t¬ng ®¬ng
Hai ph¬ng tr×nh t¬ng ®¬ng


Giao ®iÓm 3 ®êng trung trùc
Giao ®iÓm 3 ®êng trung trùc
'()*0
'()*0
+,M(>0B*
+,M(>0B*
(
(

2025
2025

-H2
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6
6
-0'*(
-0'*(
2!#
2!#
sè 23
sè 23
2
2
8   ! " 
8   ! " 
2 cèc níc
2 cèc níc
E<>(+\`>a +
E<>(+\`>a +
\:YG<9bNa"<
\:YG<9bNa"<
YG<.Da"9=YYG
YG<.Da"9=YYG
<.@cLG+\
<.@cLG+\

88908684828078767472706866646260585654525048464442403836343230282624222018161412109876543210
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
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