1973-08-24

RENCE LIBRARY

報日橋茶

育教健華頁一第張六第日六十月七年丑発展

wah Kiu ya pO

五期星

日四廿月八年三七九一倍公年二十六國民莘中

第十三章

平均數

1973-

中學同學暑期遙修專欄

堅道文蓄院主編

翰橋

>>E

英文數學(九)

例区 1

家庭工藝 (五)

簡單實用的電視櫃

很多家庭都有一部訊科度,但未必按電視機都有櫃門,如果問人前個變貴得鮮人,為了保跎視機及不使小孩沒有簿制牧牧,趁有時間助手製作,一方面節省金錢,另方面又可當作消;這次想作滿間, 唯一在型的便是上櫃門了,上櫃門的方法很多,有廣東式,和上海式,但都需要很多經驗和技巧,為了易造和天脚,又可省部門琢,所以特別在本期介繫,現在將製作過程分述如下:

(一)材料,叫版夾拔14x2669%;14:20 兩件,12x191件。 30819 一件,C以上时时長適合22頏典片, 知閣下的電码機的大小不同,可照时做脆。

2.铜茨四做,關緻一把。

3.膠腳四個。

長後木粉、皮真能

3.不放纸,或防火膠板,

:) PRARA!

(1)光脚供妳們際板生託據來,然後在中即七世位體蹴,

鍔法門哈,和路二。

(2)光油後按合成石格,如剑一棒接合帶同,而且參

易威消化。(特別都演角,否則關門門不合。

(3)王權門,先把左照門A版和B通接如三和密。任右櫃門

上海約花(約七分),然後上

(4)在旗下四吩處理一木片(如阉一),用以頂化關門,在安頓

門板處門淡

(5) 新上不收低,再上好牌國成。(注意:不可封帶背部,因

為然容易,其仰機無不會有能响,

體育

舞蹈與生活

(五)

舞蹈是表達人的感情,它和生起不能您簡約。先民的原始舞蹈,沒有威助可愛。他們內心有感受便不經不覺「手之舞之,足之蹈之。由於入難之斯的進步,而舞蹈也要成中規中矩了,這些動作優美的鄭蹈,在我國已有幾千年的歷史,例如代而,院本:儛劇,傳奇與及地方性的劇曲,幫 ̇是以舞蹈綠竹等。

我國的民間斟蹈和古典舞)如茶、紡織,刮,孖鷲?新樓,插秧 ,新田,問不與及刻舞和長開舞,都是利用舞蹈將生活情况表達出來,所以舞蹈與生新關係的密切,造極明顧的。這些舞者都是採取三進一逛,自

·由批麵的步法和街损各项有優美級的形,如右擺尾,擢白榮心等,作息基本的鯀蹈形式

中國古典舞中的陳辦舞的爭形,和救姐載有很多相同之處,这會懷美的舞蹈形式,顯示了古代人民的智和美奮的想像,與表現中國古代婦女姚託,娴淑的優美民族性案。不論中國民間舞蹈和古典舞蹈,或西方國家的民邊绳版和古典興蹈。在基本步法上是一致的,但由於習俗的不同, 所以在表達的形式上使有所不同,從混方面看來,舞蹈非但和生活有密切關係,它和交化傳統,歷史,美學,趣味等都瓦工相迎帶關係的。

保號無可否必最重要是创作,但如果創造一種舞蹈而沒有歷史和生活根據。或者與表達的主題悅,使人看上去不知是什麼:那使不能用之段舞了。創作不等於不供现在本形式,面是保留基本助作加以新的變化。 ,例如劇西楚版納,族統的孔街舞,主要是手的動作,從手上表現出很多細線、我條柔和,造型優美的城牆助作,追風舞蹈助作,是以快揪子孔街的神雞發成的。漢族的鄉舞,但魚燈舞等等,都是用入微搖模佐助

·物的嗎,或者排助物形狀道具,將助物的嬴態塀動惘像活的一樣,所以舞蹈的創作不能推進實際的生活,蹈和音樂是分不開的,在音樂的節奏旋律下,劉網者將受我造的事物,提成各種美應的圖案。如果不理解生證與辦距蹈顧關係的人。無真正地解將辦指的主題表達出色的。

某校學生由星期一至星期五出席人數依次爲538,537,539536530,問在該星期內,每日出席人數平均爲若干? 例題2某人駕駛汽車,首2小時速度爲每小時25 哩,第三小時則爲每小時34哩,間全程的平均速度爲若于2

暑期進修專欄

健康 3

ENGLISH MATHEMATICS LESSON, NINE

CHAPTER THIRTEEN

英文練習(五)

Example

MECISE Y

Here are ten :ords. Chose the right one to fit each sentence below.

Kerogene helicopter speech: stop cobtler: ladder breath customers envelope flour

1. Clever shopkeepers are always

polite to his

2. Having finished: the Letter

it into an a

danis a small aeroplane.

The chairman made a long

at the meeting...

with.

is a fuel for cooking

The fireman climbed up the

to get into the burning building. 7.1.went to the

shoes mended.

to have my

8. Bread and cakes are made.of

9. We are going to get off the ram

at the next

and dived

10. He took a deep.

nto the water

I. Look at this example.

It is a hot day today.

at a hot day it is to-day 1

change these sent erices in the

same way.

Eric Chan is a smart boy

2. It is a long trip to that islan

The night was dark and stormy.

4. Those are, beautiful pictures.

5. The swimming-pools are crowded

6. They are poor children:

7. They are helpful neighbourS

8. She is wearing thick glasses:

9. They live in a tall building.

10. The boys, are climbing a steep

cliff

AVERAGE

The number of pupils of a certain school from Monday to Friday uk 538,

537, 539, 536 and 530 respectively. Find the average, number of pupils a day in this week.

SOLUTION

The required average number of pupil.

538+ 537-539 + 536 + 630

536

ANSWER The required average number of pupils is 536.

A man drives at 25 mph. for the hours and 34 mph. for another, hour

What is the average speed, far, the whole journey?

SOLUTION:

**ANSKER

Example 3

The required average speed

*(25 *2+3 x 1) miles 3 hours

- 84 miles ÷ 3 hours - 28 map.he.

The required average speed for the whole jou 10 28 appaho

gallons of wine at $50.00 a gallon is mixed with gallons of wine at $40,00 gallon and 2 gallons of water are added. What is the

cost price per gallon of this vine thus produce?

SOLUTION:

ANSWERE

Example 4

The required cost per gallon

(350 × 3+ $40 × 5) + (3+ 5 + 2).

$350 + 10:- $35-

The required cost per gallon of the wine

The average age of 6 people is 36. The average age of the first three is 37 and the average: age of the next tuo. Is 32. How old is the last one?

SOLUTION:

The total age of the 6 people - 6x36 = 216

The total age of the first five people.

= 3 x 37 +2x·32) 11163-175.

Therefore, the age of the last people 216175 The age of the last one is 41.

EXERCISE (25

*(1)∙ 10 ab, of coffee at $3.60. per ib, are mixed with.

cest per 16 of the mixture? *(2).At an examination a boy gets an average" of 70-

marks for Chinese, English and. Arithmetic, 'and the average of 81 marks for Arithmetic, Social Studies and Science, If the average for all the

·5 subjects la 74, marks; how many, marks does he

*(3) The average af 5 numbers is 25. If the average

of the first two is 20 and the average of the last two is 31, what in the middle number? 4(L) A girl works for 5 hours a day for 3 days, 11

hours, a day for 2 days and 3 hours a day, for 4 dayṣ. How many hours per day does she work on the average?

*(5) A man yorks for 9, haurs a day from Monday to

-Friday...... He works for. 4 hours on Saturday and -reats on Sunday! How many hours, a. day does he

work on the average in a wook?

*(6). If 2 is added to each of five numbers; by how

"much will thóir average increase2.

*(7) The average of 3 husbers is 42. The average.

of another 4, maberde 21 票 average of the 7- numbers?

AQA) 101b of teahat3.50 per lb, are aixied

with 2016 of tea Bat $2.25 per b If the merchant wants to make a profit of 20%, what i

•Twill: bo "thé selling price of mixture per 16.? A(9). The average height of 6 pupila je 5 ft. •If

the average of the first three is 4 ft. 10 in. and average of the next, twu là 5 It, 1-ing, what is the beight of the wat ons?q (10)" A) woman: works 6 hours a day from Monday to

Friday. She works ̈& hours on Saturday. How many hours a day does she work on the average from Moriday to Saturday7

à(11). A man drives at 35 miles per hour for 2 hours, 32 miles for 3 hours, 26 miles for & hours and rests for 1 hour. What is the average spoed for the whole journey?

(12) 15. 4a added to the total of 5 numbers, by

how much will their average increase?

USEFUL FORMULAE

Choose the

CHAPTER FOURTEEN

AREAS

(1)

hours.

將每加侖50元的酒3加侖與每加侖值40元的酒5加侖混合,再加水2加侖問混合後的酒每加侖成本若干?

例題4:6人的平均年齡爲36歲,若首3人的平均年齡為37歲,其餘2人的平均年齡爲32歲

,間最末一人是幾歲?

練習十五

伪值3.6元之哚啡10磅與每磅值4.2元/

之㗎啡5磅混合,間混合後之啡每磅成本若干?:

(2) 某生考試成績如下:中文、英文及算術之平均分數為70分,算術、社會及自然之華均分數爲81分,而五科之平均分數爲74分

麥間算術一科分數若干?

(7)

有五個數,其平均值爲25,設首兩數之均值為20,最後兩數之平均值爲31,中間的數

某女意工作3天,每天工作5小時,又工作2天,每天工作44小時,最後工作4天 ,每天3小時,問她平均每天工作幾小時

某人在一個星期中,星期一至星期五每天工作9小時,星期六工作4小時,星期日休息,問他在一星期中平均每天工作幾小時?

有5個數,今每數加2,間平均數增加多

個數之平均數為42,另四個數之平均數爲21,求此七個數之平均數。

將每:勝值3.5元之A茶10磅,與每磅值 2.25 元之B 茶20骖混合,若要獲利20%

̇間混合後之茶每磅售價若干?

六位學生之高度爲5呎,若首三位之平均高度爲4呎10吋,另兩位之平均高度爲5 呎1吋,間最後一位學生之高度為若干?

(10) 某婦人在一個星期中,星期一至星期五每天工作6小時,星期六工作4小時,問她 ̇由星期一至星期六,平均每天工作幾小時

(11) 某人駕駛汽車,首兩小時每小時平均速度爲35哩,又3小時,每小時爲32哩,最後 4小時,每小時爲26哩,並休息了1小時

間他每小時的平均速度爲若干?

(12)有5個數,今於體數中加15,間平均數增

加多少?

(圖二)

Here are six words.

auitable one to fill each space.

in the passage,

easily Joyfully

sincerely :bravely

tightly quickly.

The boat was travelling

to the island. The engine was at full apeed . A young lady fell into the water. Henry

junped: in: after her,

He swam

towards her because he was

a good swimmer. When Henry ̇reached the woman, he held her

and swan back to the boat. The' woman's old usband shouted.

when he saw his wife again. He thanked Henry for saving 'her.

(A). AREA CHE SCANE ·SIDE '' SIDE

(B) AREA OF RECTANGLE = 'LENGTH BREADTH

The PERIMETER of a figure bounded by straight lines is the sum of

the lengths of the aiden,

RECTANGLET. Perianter (P) - 2 x (2 + B)

: TATANGLE : Perimeter (P) Sun of the three siden

Example 1'

A trip of carpet in 6 ft. vide, 7 yd. long. Find ta

perimeter. SOLUTION:

ANSWER:

Example.2

The required area 673 sq. ft;

4× 126 sq. ft. or li sq.yi. The required perimeter of the carpet

- 2(6 + 7 × 3) ft. - 2 x 27 54 ft. or 18 yd. The required area of the carpet is 14 sq. yle. The required perimeter of the carper is 10 yea

The area of a rectangular field in 9,600 sq.y it is 120 yd.

long. Find its breadth and its perimeter."

SOLUTION

ANSHE?L

The required breadth (9600+120) pd. 60 yd The required pericoter (120 + 80) pd.

- 2 x 200 yd - 400 yd. The required breadth of the rectangular field is Be yid.

The required perimeter of the rectangular field is 400 pd,

A triangle le 18 ghuen long, and 15 chuen high. Find Its ares,

SOLUTION

The area of the triangle Dase x Height

公式

(A).

第十四章面積

正方形面積=邊x漆

(B) 長方形面積〧長x闊

長方形周界=2×(長+濶)

三角形周界=三邊之和。

例題1

一張長7碼,闊6呎,求該氈之面積及周界。

門

A+B

完成的左櫃門

(圖三)

ANSWERS

1. customers

2. envelope:

3. helicopter 4. apeech

5. Kerosene 6. ladder 7. cobbler 8. flour 9. stop: 10. breath

II. 1. What a smart boy Eric Chan is !

2. What a long trip to that is land

迪

3. What a dark and stormy night it

What beautiful pictures those are!

What crowded swimming-pools they are!

6. what poor children they are 1

7. What helpful neighboure they are!

What thick glasses she is wearing!

9. what a tall building they live

in 1:

10. What a steep cliff the boys are

climbing !

III. 1. quickly 2. bravely 3. easily

4. tightly 5. Joyfully 6. sincerely

ANSWER

18 15 fong chuan

135 Fong chuen or

2 fong cheh 35 fong chuen

The required dres of the triangle is fong chek 35 feng chuon"

ANSWER TO EXERCISES

EXERCISE 12

(1) 16% (2)*+231 (3) 1.275 (4), 5400 (5) 30% 270,000 whildewa

(7) $700 = (1 +.5%) x 12 ⋅ $0,020 (8):7425,000 - $22,000) + $25,000 100% 125 (9) 8250 + (1· 25%) = $200 (10) 100 1200 * 115% x 110% - 100% 51,8% (11) 3720) + (1 -753) $2,880 (12) $220 (13) (49 x 120 + 16 x 120 + 95 x 40 – £6 • 230) + (&G * 250) # 100N

De 13560 + $1,600) * 100% 33%

(14).($14,000 × 10%-$6,000 10%) + ($16,000 + $6,000) x 100 % (15) 1228 + 95% = 145% = $275 · (15) #1,800 x 120% x 80% = 41,728 (17) (10.70 x 199 – 199 + 2′i (32,50 + 0)] = $19.90 EXERCISE 13

.....

•{2} 1.8kg & 5m (2) 1 ft. 6 in (3) $100+ (1 - 674) - $500 141 (2.9%

(5) 2 gallons pinta (6.36 1 17) ($150 $150 - $100) 20%] à 140% - $200

(8) (450 + $20 1 100)-[(850x120%3 +83) x 12 250-240 16. (en)

100 x 120 100 × 15 + $13.50

(10) 45 55+ $4.50 × 30 + 83.2520) x 100) + 400 100%

($450 $100) + $500 x 100% 12.5%

(11) 450 * (14-25%) 3. (1 + 200%) = $200 (12) $13.70 + 150% = 50% – $43.90

(13) 920 x 2 + 20% • $200 (14) ($240 sto) x 120% +2 cut: 76-18 g = t

(15) 1585 + (1 + 30%) + (1 - 100) • 5500

-EXERCISE 19

(1) 150 (2) 250 (3)

$10 $11 – 155) = $0.65

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