亚盘節
孔週雙品科育教偶理—耳三第張四第
日二初月五年甲歷
ITY WAH KIU YAT PO
日
華僑教育
香港英文中學會考試題解答
初級數學
(核完)
A melons are 63 ner 1b. and plans are
$1.50 per 15 Ans.
ABCD 1-a pärallelogram.
DC ia preduced to N us that
DC-CN. Prove D
that'
(3) AM AN
(b) AB and CD are two equal chords of the
circle with centre 0. If AB and CD are produced to meet at På prove that) PO bisects APC.
Section B
50
(a)
(b)
日一十月六年四六九一般公年三十五國民豪中
Solution.
(a)
7 bin 59° 30).
ein 24. RT
iNa
Log.
17
0.8451
#in58 307 coaec24 28"
11.9363
0.3828 (+ 1.1632.
(b)
'antilor .14.56.
*= 3 #in63 cm.3(0,8910)=2,8730 cm2 3.- 5,11027” cm -5(0,4540)-2_2700 «m.(»
EF #4 9430 aMA
Draw the graphs of sym3x + 12 and 6y -78 -9%. fron X and to 1 = 6...
(For the z-axis sue the moale F3 20% for zunitu}} | for the y-axis use the scale 1 in, for 4unit#√] From the graphs find the values of 'x and y. which satisfy the above simultaneous equations, î
¿4SCALE DEX Stacy | inch for 2 winte Izan klinch for & unita
¡Solution,
(A)/
The simple interest on $1,500 for ten years in 8375, Find the rate per cent'
per. annum
The area of the curved surface of a circular cylinder, or beight 2d cm., la 55 aq.cw. Find the volume of the circular cylinder. fitake TT-27
378 1500 ▼ 10 5. R
18 376 1 100
[×2,6% An#.
(6)[Cireum w-35
of bast
Radius
22 cm.
#22 x 42 - Jon.
10.
Solution.
(a).
(b)
(Vol.-of
Solve the
*12 12th of lea
28x17 - 560
and 24 lb, of pluns
cost $72, and 161b, of melons and 8 1b
of plums coat 800, find the price per { lb. of asch kind of fruit.
28x2+172-56-0
(7x-8) (4x+1)=0 12
Suppose the price of one lb. of melons' Sta x; and one lb. of plume is jy.
\12x + 24y =72
1630 Hadi
((1);~:(11) we have,
¡Solation,
2y -15 arxadoo. (11))
12.
** 1.5)
((m) GiventABCD is a para?
DC_CN.
To prove: (1) AM-HN
(11)GM-MB,
'Proofs in trianglés ABU, NOM
AMB UNC (vart.opp. [s)' /HCN =/MHA (w1t./s, DGN//AB) AB -- CN (4B«DC=CN}
C. AA 2 A NCHA (1.1.8.)
MN ...................(4)":
EA) Given) TABmCD.
To prove
Proof1
(i)
0 is the centre of the circle
BO biscota APC.
Drop perpendiculars GX, OY' to AB and CD reap, të cut. AS At X and CD at T.
In tekangles OPK, OFE
/OXP -/OYP* (nue
OP-OF OXY
40PX = 4 OP¥
• LOFX-/OFY.
(chors -, dist.,
(B.H,5),
PO DIBanan ZA FCA
(a)z Pind, by logarithms, the value of,
7.10 69
In the figura, ABCD 18 • restangie. W Pind
the length of}RP.
113.
4Y=3x+12
-6Y=78-9x}
Ans
國際合作探發
科學
季節風的秘密
探测印度荐工作的第一
超過了印度及巴基斯坦的
氣作 造
的工作此
象部州成
作
可以證明
的水份。
年花
英殿在印度当
替初生嬰兒診病
微也比 娃棺成業死亡的情形緻碑太空中说
的政府及私人横评 在失效的通路附 分安全媸流入血液之計
爱年 手術畔作「分手術 分道,過多的水
太空鷄蛋
已無知該地心引力作用。
獲得的知識,可作太空高蛋 成
腾得特別,
跳赍化形
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