育教濟經頁三第强六第日六十月九年申庚夏

WAH KIU YAT PO

報日僑華

五期星

般市成交價目表(

产品)

「香港 選 湖市價最高體最低價收市價收市镇

安鏈

北市價

***

S

選單 金銀 牧市值 牧市圈,敦市便

日四廿月十年〇八九一公年九十六國民華中

雞雞 保市價最镪 體低似 骏市館 农市街 欣范僵

P

香港會成交:305,840,000元 滏東會成炎:268,190,000元 金银微成交:224,600,000元 九阳看成交:4,330,000元 即會成交總額:599,880,000元

1434.52217.30

7163,582201:30:

永安公司

9.00

9.00

8,80

8.80

8.90

應器

和記蛋塊

16.00

$15.00

伯和:

31.50

31.60

立興

14:06

4:10

14.70 14.70- 30.50 30.50

4.05.

14.70 14:80.

大昌地说:

11.90 12.00 11.70

5.30.

11.70-

11.70

II.70

5,35 5.50 5.25

5:35

5:35

X

32.00 3.05

4:10

30.75 4.10

30.75

大新公和

6.10

5,16

5.10

5.10

5.10

5.10

遠東酒店

33.00 30.60 31:50 82.00 31.50

2.975

#3.05 3.10

2.60 2.525 2.00 2.65 2.50

2.975)

2.60

4.10

·類安

1.02

1.10

0.98

0.99

0.98

(七)紡織製衣類

金指数1167.92快16.41線指數1534,88失16.82他做指數1250.1124.61.

香港 遠東 金

開市價最高镶 最低園收市價 收市價:夜市使

生力啤酒 無限公司 先施朵

)銀行及債⁂類

LTE- 理臣氏

14.40

数生銀行 新

銀行

144.00 144.00 141.00 19.90 20.00 19.60

白外信託

友師銀行

7.90

澳銀銀行

11.00

7,607,55 7.30 8.00 70.00

143.00 142.00 142.00:

-19.80 7.36 7.80 7.90 67.00 67,00

19,60 7.35

19.80

SENA- 健康

6.85

3.90

7.35

LEOR

1.65

7,80

7.95

70,00

70.00

太古洋行A(除牌)9:30 昭潔保險(除感2-

4.30 4.35 4.35 24.60 25.00 *24.60

9.60 9:50 9.60 9.70

9.60 49.60. 14:80 14,20

14.30 14,20 14.30 6.90% 6.70 6.80 -6.75 6,70

3,65 3.80

3.60 3,80

3.50 1.66 1,60 1.65 1.62 ∙1.62. 9.45

9.30 9.10 9.10

9.26

4.35-

26.00

26.00

̇猪煌新器

主集團(除各式)一 大生地產(除息)3.G5. HERE (KE)2.40 佳寧

1.45

1,50

1.44

1.45

·∙1.44

1.45

20.00 20.60 20.20

20.20

新鮮製雞

20.50 21.10 .20.50

20,60 -22.10

20.00

3,60

3.55: $155

-2-526

2.40

2.525 2.50

16.20

16.40-16.00

16.30 ∙16.20 16,201

依時型友

製對

糖味

1.55

4.60 1.40

4:40: 4.476

4.45

南部實蝣

̇又光地

3.25

3.25

3.125

3.16

3.15.

3.125

SIW*X

4,00 4.05 12.50

2.70

3.925 3.95 3.925

12.70 12.50

3.95

海工程

0.93

0.98 0.93 0.96

0.94

忠正國際

2.175

2,20: 2.16

2,176

2.15.

(八)航業類

2.20

・大元

FATH BASE

7.60

7.70

7.50

6.00

6:20

HZ

6.107

7.50 6.10

9.75

3.75

-3,55

8.55

3.65

永灣銀行

€2.00

62.50 61.00 62.00

62.00

62.00

GLAM SET (BAM)2.70;

2.75 2.675 2.75

2.75

2.725

WERK! 2,50 淘化大同(暫

2.30 2,50

2.50 2.30.

萬邦航菜:

5.40

5.50

6:40

6.50

11.70

11.80

11.40

11.50

11.40

$11.50

進深航藥

光安

3.65

3.70

3.65

3.70

4.16

4.20

4.05

4.10

莊集團

VERALL #7.76% 65,00

65.00

-65.00

64.00

DA

九倉認我備證

* 3 ( 559 8 3 -

729.25% 72:0% BTBREI

HELEWAC0 8000

186 19.60

65.0% 65.0% 64.0 65.0% 65.0% 72.0 71.5% 11.5%

6:45 6.35 6.25 6.50 6.30 6.60

8100 7900

8000 81,00 8000 19.90 19.40 19,80 19,70 19.90

鱷魚恤 利差

5.70 6.70 5.50

8,00 8,00 .8.10 8.00 4.40 4145 4.30 ·4.45 3.275

3,275 3.40. 3.45

5.70 8.05

5.50

周生生:

2.85

2.90

2.85

東方貴:

3.76

-3.75

3,675

3.725

2,90

2.876

€8.00

藝光航:

4.10

4.10

4.025.

4.05

好世界投许

2.76 2.80,

2.60

2.60

2.60

隆豐國際

5.70

5.75

5.60 5.70

6.60

4.40 4.30 3:45.

笃烟

3-425

協成行

2.9753.00

2,95

3.00 2.90**

(九)投資類

(四)地產建築類

.鼠邦投件

10.70 10.80

10,70

10.70

10.80

聯合企業

8.20

8.20 3.16

磨鐵與微業

$3.90 3.95 5.90

.3.96

3.9233.90

3,20

.3.30

8.20

3.30

3.25

3.30

恰和讚剂

18.00

18.2017.60.

17.90

*

7.5% 150.00 155.00 162.00 153.00 153,00 153.00 Kon 147.00 150.00 147.00

(二)公用類

****

HARM

31.00% 31.25 30.25 4:60 .4.80 4.00 4.30. 4.50 4:25

30.75

30,76 30.76

4.80. 4.60

HENR

2,80 2.85

3.76

2.75

2.76

森那类

7.85

7.85

7.85

MEIR

0.85 0.86

. 0.85

0.85 0,85

·新鴻茲財務

4.75

4.90

4.75

4.80

4.40 4,50

2:70 2.85

2.70

-2,75

(十)其他

150.00

大提財務

1,88

1,40

1.36

1.36

**

(B) 0:1475 0.1475 0.145.

0.155 0.145)

3.30

8.325 3.35

3.25

3.275

3.275

RRK

6.60

6.65

6.4576,55

6:50

6.45

BE

8.70

9.10

8.50.

9:00

23.80 24.10

7.10

23,60 23,50 23.70 7.16 6.95 7,00 7.00

23.70

彘地公司

21:50

21.60 21:30

21.50

21.60

21.50

子華爐爐

29.20

29.10

29,20

微話公司:

26.50

26,60

26.10.

油三墩小輪

61,00

62.00

61,00

6.95 29.2029.40 29.20 26.30 26.10 61.00 ·62.00

傅肥公司A

7.70

7,80

7:30

7.70

7.60

統一機帶 金山

2.60 2.70

2.60

2.70 2,60

大匙菠藥

6.60 6.50

6.50.

2,80

2.80

3.775

2.80 2.80

有茶早報:

合和實業(除詢) 16.10

16.40

26,30

三新昌集團:

4.604.675.

16:10 16,10 $4,60

16.20 16.20

4,60

4.525450:"

̇永樂發展 塞信地產

-10.20

10.30

10.10

1,57

1.59

1.57

10.30- 1,201

71..59.

10.20

樂團

5.05

5.10

4,90

5.00"

紅寶石

61,50

四海地產 :

2,50 2.75 2.50

2.65

2,60

8,90

STORES

Fire 00 67.50 55,00 57.50

(三)工商企業類: 5.10 6.10

*****DEXE

.6,00

(五)會場類

#REN (RA)

壙機工程

.8,65 8.90

8.70

8.70

:

8.70.

保證

3,55

3.00

3.50

3.55

3,576

3.60

九號倉(新股) 1080

11.90.

12.50

£1.50

57.50

56.00

#*

4:40

4.50

€4,40

4.40. ·4.40

九龍交易所上市股

**W*

4,20

4.204.20

4,20

三聯邦A

· 6.30

6,30

6.15

6.16 6:20 6.16

WE WERE M

1.60

1.03 1.59

市值

最高價:

聆怅

1.60

5,00 ·5.05

̇新鴻基地

18.10 18.20

17.80

1780

17.80 17.90

國際質藥

公司:

10,40

10.60

10.40% 10.50

65.50

65.60 63.50

63.50

20.20

20:30 20,00

20.30

1.45

1.48

1.45

10:50 10.40 63,50 64.00 20.20 1.45

大寶

7.46. 2.50

7.30

7.80

7.35 7.35

(六)酒店類

金佑,

1.05

SHAR

9.075 3.10

3.05

3.10 3.05

3:15

DUES ·

21:58,56

8.70

**

8.50 8.15

20.10

新世界

6.60

6.60

6.45

6.50. 6.50

6.50

海企業:

62:00

62.00:

61.00

8.65 61:00

08.05

***

1.08

1:08

1.09

1,48

啟明建菜

1.72

1.72

1.72

1.72

大酒店

50.00

50:00

48.50 49.00

49.00. 48.50

永海灘:

as it s pile.

s the

-3-3 (10a+1-10-9′′)

(b) If the pile driver

and the pile, move together after impa- ct, calculate their common velocity just after the impact.

the pile then

1981

中中學會考試題預習專欄

物理

(三)

明德出版社魯榮家提供資料

PHYSIOS(3)

(c)

W.E.IO

DALE PRESS IT.

Exercise 2

Mechanics

(Taking acceleration due

to gravity e = =10ms

Two blocks of masses 10kg and 15kg are connected by a light inextensible string which passes over a

smooth fixed pulley. Initially, the 10kg block rests on the floor and the 15kg block is held 2m above the floor as shown in figure 1. If the system is now releas- ed

(a) determine the accel-

eration of the system (c) find the tension in

the string,

find the velocity with which the 15k block strikes the

f1000.

the t

time requir

ed for the 15kg block to reach the floo7, find the maximum height reached by the 10x-block.

A più -driver

figure 1

ALES

tope

10%, Le relse? heit of 12 and 13

allowed to fall on to

a pile of mass 1256, wich is to be driven into the ground. (a): 210 the velocity

teile driven

to rest after

penetrating 0.5m into the round, calculate the average retard- ing force exerted

by the round on the pile

Three blocks of masses 10kg, 20kg, and 302g are connected by strings as shown in figure 2. It is then pulled to the right with a force

6001.

(a) If the horizontal

floor is frictionless,

fina

(1) the acceleration

of the system, (ii) the tension in

each string.

(b) If the coefficient.

of friction between the blocks and the floor is 0.2, find (1) the acceleration of the system,

(ii) the tension in

each string.

30kq

20 kq rizontal floor

As shown in figure

a load of mass 50ko is raised by neans of a pulley system. The efficiency of the pulley system is 40%

figure

(a) what is the velocity

ratio of the pulley

system?

(b)Find the mechanical

advantage of the machine

(c)Pind the minimum.

effort required

raise the load. (d) If the effort

applied to the Eystem I's 600, what sort

of motion will the

load perform.

A plastic cube of side 10cm and density 900kgm (density 1000kgm3). with the upper face horizontal. (as shown in figure 4)

floats in water

(a)(i) What is the

upthrust of water on the cube.

Tind the fraction of the cube immersed.

(b) If oil of density

726KOL is poured onto the water until it just covered, (as shown in figure 5) Lot auch does the cube rise?

plactic

cube

Figure4

數學

fipu

∙plastic" cube

明德出版社女長波提供資料

Mathematics 3

MILL & DALE PRESS LTD.

Section B..

11. Solution.(a)

9+99+999+...to n terms

=(10-1)+(102-1)+(103

to n terms

(1041010 terusn

10.(10

10-1

--(104+1-10-9n)

(b) 5+55+555+····to n terms

25(1+11+111- to n

terms)

·(9+99+999 terms)

12

---(10′′+1 - 10–9n)

Solution: In AABP BP-50.Cot60 m

50

In AABQ

BO 50 Cot30. m

50/3 m

In AFBQ

22 2

PQ_=BP +BQ-2BP. Bo.Cos60.

)2+(50/3)*

2(2)(50√3)Cos60°

2500

+7500-2500

PU-76.38m

The distance between the ends of the shadows 18 76.38m.

13.Solution: Let rem be the

redius of the third

spherical ball.

북(금) 3 = 풍기(금) 3,불기(름)? +

The diameter of the third spherical ball is 24cm.

Given: It is the orthocentre

of A ABC, BM-MC.

D, M, E, F are concyclic

To prove

Proof: H is the orthocentre

of AABC (Given) <HPB¬ZHDB-90

LUFB+ZHDB-180°

B,D,E,F are concyclic

(opp. a supp.) ZFDB-ZFHB (4s in the

same segment)

Similarly, A, F, H, E are concyclic

FHH-FAB (Ext.4.

- cyclic

Je LFDBZ FAE

Similarly. LAEF-LAUF-ZFBD

ZBEC 90

quad.)

BC is the diameter of circle BEC (converse,

in semicircle)

BM=MC (Given)

M is the centre of

circle BEC..

ME MC radii):

MEC=ZMCE (Base s

190s A.

< FDB÷ZAEF+<MEG~<FAE÷ ZFBD+MCE 180

(4 sum of 4)

ZFDB÷/FDM180 LAFF+ZFEM+LMEC=180

(Adj Zs on st.line). ZFDM+ZFEM-180

in D, M, E, F, are

concyclic (opp.s supp.)

15.Solution:(a) Let a and be

the 1st term and the common difference of A P respectively.

2(2×+3d)−10 2a+3d 5/

1928+(10-1)]-

[2+(6-1)]-42

5(2a+9d)-3(2a+5d)=42.

(2)-(1)

4a+30d-42 2a+158-21

the

(2)

12d16.

d=

Fut d- into (1)

16.

2a4-5

(b) The sum of the first

10 terms

12.(10-1).1 5(1-12)

65.

Given: PX bisects ¿QPR

PYbisecte LRPS, XM MY.

To prove:(a) P lies on the

circle with. XY

Proof: (a)

ad diameter.

(b)

Ry2

2

-RX4 PM, RM.

"PX and PY bisects

LQPR and LAPS

respectively. 4QPX ZXPR

ZQPR+ZAPS-180

ZXPY=90

LYPS (Adj.za on

st, line)

Plies on the circle with XY as diameter.

(converse in semi-

circle)

∙RY' -RX

=(RY+RX) (RY-RX)

XY. (RY-RX)

MX-MY (Given

M is the centre of circle XPY.

XM-MP-MY. (radii)

RY-RX

2

21LM

-RX=2PM, 2RM

4PM. RM.

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