... Trang 3
BÀI TẬP ƠN TẬPHÌNHHỌC CUỐI CHƯƠNG I LỚP10NÂNG CAO
Câu 15 : Cho
a
r
= (1 ; 2) và
b
r
= (3 ; 4). Vec tơ
m
ur
= 2
a
r
+3
b
r
có toạ độ là
a)
m
ur
=( 10 ; 12 ) b)
m
ur
=( 11 ; 16 ) c) ... uuur
.
Bài 2 :Cho bốn điểm A, B, C, D. Gọi I, J lần lượt là trung điểm của AB và CD.
GV : TRẦN THANH HỒNG – THPT NGUYỄN TRÂN Trang 2
BÀI TẬP ÔN TẬPHÌNHHỌC CUỐI CHƯƠNG I LỚP10NÂNG CAO
b) Tam ... BÀITẬP ÔN TẬPHÌNHHỌC CUỐI CHƯƠNG I LỚP10NÂNG CAO
a) Chứng minh:
AC BD AD BC IJ2+ = + =
uuur uuur uuur uuur uur
.
b)...
... BÀITẬP HÓA LỚP10CHƯƠNG 4 NÂNGCAO
Bài 1. cân bằng các phản ứng hóa học sau bằng phương pháp thăng bằng electron , cho biết chất ... NaNO
3
+ NaOH → NH
3
+ NaAlO
2
+……….
Bài 6. cho 12 ,6g hỗn hợp Mg và Al theo tỉ lệ mol 3:2 tác dụng với dung dịch axit H
2
SO
4
đặc , nóng vừa đủ thu được 0 ,15
mol sản phẩm có lưu huỳnh . XÁc ... Cu(NO
3
)
2
+ H
2
SO
4
+ N
2
O + H
2
O
l) FeSO
4
+ Cl
2
+ H
2
SO
4
→ Fe
2
(SO
4
)
3
+ HCl
Bài 3. cân bằng các phản ứng oxi hóa khử sau dưới dạng phân tử và ion thu gọn , chỉ rõ chất oxi...
... có:
BC
2
=DB
2
+CD
2
=(BO+OD)
2
+CD
2
=
=BO
2
+2.OB.OD+OD
2
+CD
2
. (1)
Mà OB=R.∆AOC cân ở O có OAC=30
o
.
Hình 20
CI
KJ
FI
AK
=
MỘT TRĂM BÀITẬPHÌNHHỌCLỚP 9.
Phần 1: 50 bàitập cơ bản.
1
-Xét hai ∆EKO và EHO.Do ...
AC=CB=90
o
.
Ta lại có:
Hình 19
2
Lời nói đầu:
Trong quá trình ôn thi tốt nghiệp cho học sinh lớp 9,chúng ta đều
nhận thấy học sinh rất ngại chứng minh hình học. Cũng do học sinh
còn yếu kiến ... NQ//PM⇒MNQP là hình thang có PN=MQ⇒MNQP là thang cân.Dễ dàng
C/m thang cân nội tiếp.
TÍnh S
MNQP
=S
MIP
+S
MNI
+S
NIQ
+S
PIQ
=
2
1
S
AMIP
+
2
1
S
MDNI
+
2
1
S
NIQC
+
2
1
S
PIQB
=
2
1
S
ABCD
=
2
1
a
2
.
5/C/m...
...
BÀI TẬP
10 0 ) Tính giá trị biểu thức
A = Cos 20
0
+ cos 80
0
+ cos 10 0
0
+ cos160
0
101 ) Tính giá trị biểu thức:
0
0
30
0
45
0
60
0
90
0
Sin
0
2
1
2
2
2
3
1
Cos
1 ...
2
2
2
1
0
tan
0
3
3
1
3
Cot
3
1
3
3
0
CHUN ĐỀ BÀITẬPHÌNHHỌCLỚP10 ( có sử dụng tài liệu từ các nguồn khác).
BIÊN SOẠN : TRẦN MAI SANG
2
I - CÁC BÀITẬP LIÊN ... 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/14 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 913 QwiSq7+urq7GxkZzAFBdUErnz59XGDdpa2ubNWuWOQCoLiiljo6OxYsXm0N/Fy9eXLBggTkAqC4opVOnTs2YMcMc+uTz+c7Ozjlz5hgFgOqCUhZGT0+Pwujv6tWrIYQHH3zQKABUF5S4MBKJhFH0efvtt5PJZDTqL50BVBeUTkdHRzKZNIf+vve9782dO9ccAFQXlNLly5eXLVtmDv298847a9euNQcA1QWldObMmYULF5pDf+l0uq6uzhwAVBeU0okTJxRGf9lsNoQQj8eNAkB1QYkLw2Ej+iueC8jJCgFUF5TSpUuXgnMB/SznAgJQXVB63d3dCuMmzgUEoLqgLIXhXEA3OXXqlHMBAaguKH1hWNTVnyP1A6guUBjDwbmAAFQXlKswnAuov+KR+p0LCEB1wT1qb2+/VWGYSX+XL192LiAA1QX3IpPJpFKpJUuWPPPMM7lc7qbCGJvnAurq6komk48//vjGjRvz+Xz/i86cOeNcQACqC+4lL2pra0MIc+bMOXjw4KuvvnpTYYzBcwG1trYmk8lf//Vf/9GPfvR3f/d3586d63+pI/UDlEOkUCiYAmMhvOrq6lpbWzdt2hSPx997772f/j8QiXR2do61yMjlctlsNpFI7N27d/fu3StXrjx+/Hjxomw2O2XKlGvXrjkwPYDqgntPjYkTJ4YQzp4929DQ0FcY77///pg9MH3xc8YQQl9mtbe3L1myxDsDQMn5hJExJBaLFY9Bv3///uIW5wKqq6srVtcrr7xS3OJI/QCqC0rg+eefDyGk0+nimnqFEUL43d/93f7V5Uj9AKoLSqChoSEej4cQimvqFUYIYf369SGEnp6e4lEkHKkfQHVBafzBH/xBCOGP/uiPFEZRLBbbtm1bCGH//v2O1A9QPlbTM+b0rak/f/78ww8/fOXKFQem71tTf/Hixblz53pbACgH+7oYc/rW1L/00kvBuYBCCCHU1dUVP3j9+te/PpaP1A+guqDEimvqDx069Mu//MumUVT84PXIkSNj80j9AKoLyqJvTX19fb1pFH35y18OIeTz+dmzZ5sGQDlY18UYlc1mP/WpT0WjUaPok8lkfN4KoLoAAEY3nzACAKguAADVBQCA6gIAUF0AAKoLAADVBQCgugAAUF0AAKoLAEB1AQCgugAAVBcAAKoLAEB1AQCoLgAAVBcAgOoCAFBdAACoLgAA1QUAgOoCAFBdAACqCwAA1QUAoLoAAFBdAACqCwBAdQEAoLoAAFQXAACqCwBAdQEAqC4AAFQXAIDqAgBQXQAAqC4AANUFAIDqAgBQXQAAqgsAANUFAKC6AABQXQAAqgsAQHUBAKC6AABUFwCA6gIAQHUBAKguAABUFwCA6gIAUF0AAKguAADVBQCA6gIAGElRI2CQ3nnnnV27dkWjXjOMAq2trYYAqC5Gq9/4jd9YunTp4sWLjQIA7kGkUCiYAoN6rUQiV65cSSQSRgEA98C6LgYlk8mEEGpqaowCAFQXZfTuu+/G4/FYLGYUAKC6KKPz588vX77cHABAdVFeHR0d1tEDgOqi7E6dOjVjxgxzAADVRRnl8/menp45c+YYBQCoLsro6tWrIQTHjAAA1UV5dXR0JJNJcwAA1UV5Xb58edmyZeYAAKqL8jpz5szChQvNAQCGwhmBGMSrJBLp7Oysq6szCgC4Z/Z1cQfZbDaEEI/HjQIAVBdl1NPTE5yBEQBUF+XW1dXV2NhoDgCguiivtra2WbNmmQMAqC7K6+LFizNnzjQHABgif8PInV4ikciVK1ccmB4Ahsi+Lm4nk8mEEB588EGjAADVRQnk8/ljx47l8/mbtr/99tvxeDwajRoRAKguhqqrq2v+/PmbNm2aO3duV1dX/4t+8IMfLF++3IgAQHUxVNlsNplMbtiw4bHHHrt06dK3vvWt/pd2dHSsXbvWlABg6KymJ2Sz2Zqamvb29iVLloQQ3n///Vgs9pPXRyRy9uzZhoYGUwKAIbKvi58cd37hwoXF0/6cPn26uD2Xy4UQfv7nf96IAEB1UTLRaPS5554LIfz+7/9+cUvxDIyOGQEAqosS+9KXvhRC6OzsLPZWR0fHypUrjQUAVBcllkgkkslkCOGVV14JIZw7d27OnDnGAgCqi9L74z/+42J15fP5t99+e+HChWYCACXhbxj5GblcbuLEiSGEs2fPLlmypLOzs66uzlgAYOjs6+JnxGKxbdu2hRD+7M/+LIQwY8YMMwGAkrCvi5v1HbgrhODlAQClYl8XN2toaCgeuGvp0qWmAQClYl8XA+jq6vrxj39cW1tbPIAqAKC6AABGB58wAgCoLgAA1QUAgOoCAFBdAACqCwAA1QUAoLoAAFBdAACqCwBAdQEAoLoAAFQXAACqCwBAdQEAqC4AAFQXAIDqAgBQXQAAqC4AANUFAIDqAgBQXQAAqgsAANUFAKC6AABQXQAAqgsAQHUBAKC6AABUFwAAqgsAQHUBAKguAABUFwCA6gIAUF0AAKguAADVBQCA6gIAUF0AAKoLAADVBQCgugAAUF0AAKoLAEB1AQCgugAAVBcAgOoCAEB1AQCoLgAAVBcAgOoCAFBdAACoLgAA1QUAgOoCAFBdAACqCwAA1QUAoLoAAFBdAACqCwBAdQEAoLoAAFQXAIDqAgBAdQEAqC4AAFQXAIDqAgBQXQAAqC4AANUFAIDqAgBQXQAAqgsAANUFAKC6AGAgBw8ePH36tLvK2BE1AgCGQVNT001b3nzzzX/8x39ct27dN7/5zenTp7urVD37ugAYSfPnzx8tHTOK7iqVKVIoFEwBgOH393//97/6q786depUdxXVBQBAyfiEEQBAdQEAqC4AAFQXAIDqAgBQXQAAqC4AANUFAIDqAgBQXQAAqgsAANUFAKC6AABQXQAAqgsAQHUBAKC6AABUFwCA6gIAQHUBAKguAABUFwCA6gIAUF0AAKgugNEtEolEIhFzANUFAIDqAgBQXQAAqC4AgDFfXb29vS+88EJ3d/fYfA7eeuutpqam3t5eL0cAqGKRQqEwnD+vqalpwO2HDh3KZDKbN29ubm6eOnVqtY67u7v70KFDH92+Z8+eyZMn/+Ef/uFXvvIVL0qo/nfeSCSEMMxvv8CIiw7zz5s2bdqA22/cuLFu3boNGzZUcXKFECZMmPDRCfzP//zPfffd99RTT61Zs8YrEqCscrlcLBYzB0bmN65K+GWrt7f3woULS5cuHZvPwVtvvTV58uTp06d7OcJYeee1r2vk7Nu3r6Ojo7m5OZFImAZjsboAVBfDI5fLTZw4MYTQ2Niovcoqm80eP35848aN0WjUNFQXgOqqtn/mt2/ffsdvS6fTfV9rr7Kqr6+/du1aS0uL9lJdAKqrqmQymdra2ru6Sjweb2lpSaVSpnfPM+/o6LjVpa+++uqJEyf65qy9VBeA6hpD8vn8Qw891NPTowNKorW1ddOmTYP85pUrVx4/fnwsj8tLDYAx5Ny5cyGEw4cP662SWL9+/ZUrV2 516 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 913 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 719 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 /10 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ÊN ĐỀ BÀITẬPHÌNHHỌCLỚP10 ( có sử dụng tài liệu từ các nguồn khác).
BIÊN SOẠN : TRẦN MAI SANG
7
BÀI TẬP
69)...
... OAO’=1v ⇒OIO’=1v.
5/ Tính diện tích ∆AMC.Ta có S
AMC
=
2
1
AM.MC .Ta có BD=
9
2
=
BC
AB
⇒DC =16
Ta lại có DA
2
=CD.BD =16 .9⇒AD =12 ;BE=AB =15 ⇒DE =15 -9=6⇒AE=
56
22
=+ DEAD
Từ (1) tính AM;MC rồi tính S.
Bài ... S
MNQP
=S
MIP
+S
MNI
+S
NIQ
+S
PIQ
=
2
1
S
AMIP
+
2
1
S
MDNI
+
2
1
S
NIQC
+
2
1
S
PIQB
=
2
1
S
ABCD
=
2
1
a
2
.
5/C/m MFIE nội tiếp:
Ta có các tam giác vuông BPI=IMN(do PI=IM;PB=IN;P=I=1v.
⇒PIB=IMN mà PBI=EIN(đ đ)⇒IMN=EIN
Ta lại có IMN+ENI=1v⇒EIN+ENI=1v⇒IEN=1v ... EDB
S
(O)
=π.OE
2
=π.(
6
6a
)
2
=
6
2
π
a
⇒S
2
1
(O)
=
12
2
π
a
S
quạt EBD
=
o
o
BD
360
90.
2
×
π
=
12 6
6
4
2
2
ππ
aa
=
×
S
∆
EBD
=
2
1
DB
2
=
6
2
a
S
viên phân
=S
quạt EBD
- S
∆
EDB
=
12
2
π
a
-
6
2
a
=
12
)2(
2
−
π
a
...
... LƯỢNG
VIỆC ÔN TẬP TỔNG KẾT MÔN HÓA HỌC
LỚP 10CHƯƠNG TRÌNH NÂNGCAO Ở
TRƯỜNG TRUNG HỌC PHỔ THÔNG
Chuyên ngành: Lý luận và phương pháp dạy học môn Hóa
học
Mã số : 60 .14 .10
... (20%) 19 (47,5%) 9 (22,5%) 4 (10 % )
Thí nghiệm do HS tự làm 6 (15 %) 19 (47,5%) 12 (30%) 3 (7,5%)
Phim thí nghiệm hóa học 4 (10 % ) 13 (32,5%) 7 (17 ,5%) 16 (40%)
Đồ dùng dạy học trực
quan (hình ... xác, khoa học trong
công việc.
2 .1. 3. Cấu trúc và nội dung
Bảng 2 .1. Cấu trúc và nội dung chương 5, 6,7 SGK hóa họclớp10
chương trình nângcao
CHƯƠNG 5:
NHÓM
HALOGEN
13 tiết:...
... tượng.
1. 5. Nội dung, PPDH phần hóa học ñại cương lớp10 (chương trình nâng
cao)
1. 5 .1. Chương 1: “Nguyên tử”
1. 5 .1. 1. Vị trí
Chương “Nguyên tử” là chương ñầu tiên trong sách giáo khoa Hóa học ... hợp với nó, nhằm nângcao ñời sống của mình mà vẫn bảo vệ
ñược môi trường.
1. 5 .1. 3. Cấu trúc nội dung chương
Hình 1. 2. Sơ ñồ cấu trúc chương 1- Hóa học1 0 (chương trình nâng cao)
Có thể phân ... Dreamwear 25
1. 4.2.
Phần mềm MS Access 2000 26
1. 4.3.
Phần mềm Visual Studio .NET 26
1. 5.
Nội dung, PPDH phần hóa học ñại cương lớp10 (chương
trình nâng cao) 28
1. 5 .1.
Chương 1: “Nguyên...
... mà C
1
+ B
2
+ BMC = 18 0
0
=> I
1
+ I
2
+ BMC = 18 0
0
hay PIQ + PMQ = 18 0
0
mà đây là hai góc đối => tứ giác PMQI nội tiếp
=> Q
1
= I
1
mà I
1
= C
1
=> Q
1
= C
1
=> ... C
1
( nội tiếp cùng chắn cung IM). Mà B
1
= C
1
(
= 1/ 2 sđ
ẳ
BM
) => I
1
= H
1
(2).
Từ (1) và (2) => MKI MIH =>
MI MK
MH MI
=
=> MI
2
= MH.MK
4. Theo trên ta có I
1
= C
1
; ...
1
2
HM.JK ; S
HAC
=
1
2
HC.AC
1
⇒
S
HAC
: S
HJM
=
1
HC.AC
HM.JK
mà
MH 1
MC 3
=
⇒
HC HM+MC MC
11 3 4
HM HM HM
= = + = + =
;
1
AC
2
JK
=
(JK// AC
1
⇒
S
HAC
: S
HJM
= 8
Bài 75: Cho điểm...
... ∆FBC:
Xem câu 3 bài 35.
4/ C/m: BI
2
=BF.BC-IF.IC
MỘT TRĂM BÀI TẬP
HÌNH HỌCLỚP 9.
Phần 1: 50 bàitập cơ bản.
1
Lời nói đầu:
Trong quá trình ôn thi tốt nghiệp cho học sinh lớp 9,chúng ta ...
15
Hình 14
E
I
H
Do NQ//PM⇒MNQP là hình thang có PN=MQ⇒MNQP là thang cân.Dễ dàng C/m thang cân nội
tiếp.
TÍnh S
MNQP
=S
MIP
+S
MNI
+S
NIQ
+S
PIQ
=
2
1
S
AMIP
+
2
1
S
MDNI
+
2
1
S
NIQC
+
2
1
S
PIQB
=
2
1
S
ABCD
=
2
1
a
2
.
5/C/m ... S
MNQP
=S
MIP
+S
MNI
+S
NIQ
+S
PIQ
=
2
1
S
AMIP
+
2
1
S
MDNI
+
2
1
S
NIQC
+
2
1
S
PIQB
=
2
1
S
ABCD
=
2
1
a
2
.
5/C/m MFIE nội tiếp:
Ta có các tam giác vuông BPI=IMN(do PI=IM;PB=IN;P=I=1v.
⇒PIB=IMN mà PBI=EIN(đ đ)⇒IMN=EIN
Ta lại có IMN+ENI=1v⇒EIN+ENI=1v⇒IEN=1v mà MFI=1v⇒IEM+MFI=2v...