真二張四第
日六廿月空年牛芮鹰
WAH KIU YAT PO
期圣日五十月二年六六九一展公年五十五國民靠中
華僑教育
九六六年度
一九六六年度
已蒜中会考
試題預習專欄
•F = PQ tan POF
6. As shown in Fig &o - P Q as the positions of the
•Moon resp and PQF = 90 - (+16753=34 PQ=10mph xa ho
QF= PQ SMC P&F!
4 ship F be the position of the fort The FPQ site at ?)
"""100 m.
中中考試題預習專欄
英文科
(£)
ANS 13.09
Answere to the previous exercises,
數學科
(£) 歐陽鎰女•
Factorise, if
MATHEMATICS (U
LESSON 48 Average
inverse problem on mixt
and rate of working.
the, the
2 an
the, the. thea
tbe
6, the the. a
6. 1, the
the. the ther
«K, the Inghel thei
Average inverse problem on my
"Factorisation LIJA
and rate of working. Example IX A man biy's 1000 articles at 3 d. each; he sells 700 of them at 44d each and the rest at and
Example
Exam
each, Find his average profit per article sold.
the SP of 700 articles at 4ed each 171700=31200.
300
1000
The gain on 1000 articles
The
7500 Food.
good.
= food,
-0.98.
i ar profic per article sold = 1000
grocer mixes some tea" nt is 6d por lb with me-Sixth of that amount at is per to and sells the mixture at is.6d. per. It hind his gain per cont
T. - The C.P. 8 6 16 of tea. at is 6d per
श्र
16
on 7 lt & mixture = 105 60 - 105 =6d.
cent
he gain por cen
the same as the ar
Three boys worked out 150 examples, A did 19 out
his right, 89 out of 10 right. C 4 out
that is the least lumber that were done an of them?
ufiows the total no, og examples 19 150
The max ns of examples that were done
"what=ration.
following
tea costing 25 722 per 16" bel mixed with tea costing 35 3d per to. So that a profit of 20% is made by selling the murture at 3568 per 16, sites are paid for a task which A can do in 30 days. B 20 days, & and C together in 12 days » and 1 i 24
should's days - If A‚D. C, Da work together how much
•C receive?
A motorist averages 24 mpb
If I
zbe, the 2 the, the the, the, thei
Exeroisee
Insart sutteble articles where necessary.
It was
dold morning of
breakfeet on either side of
money
a journey of Re
* Baker Street
1inas of
he averages as mph for the first & fe find his average speed for the rest of the way
At a modern schot 90% of the people take Mathemates, 85% of them take Physics and 65% of them take, Chemisty What is the least percentage that learn all the three subjects
270 books to cover If 13 helps! him they do If B and C duy them together they would
staits alone.
and after how there live thais leng wouls it take C to finish dese_alone_
Example 5
A mon ricks from his love to
town at Qud retums home at is apt And his for the double journey
for thi
retums
for the double journly
REFERENCE LIBRARY
14 FEB 1966
early spring, and we sat after
cheery fire in
old room
thick fog rolled down between
dun-adloured houses, and
opposing
windowe goued like dark, chapeless blure through beavy yellow wreaths. Our gae was lit and shone, on
white cloth, and glimmer of chins and metal, for
table bad
not been oleɛred yet.
Ny friend insisted upon my accompanying them in their expeditions
which I was eager enough to do, for my curiosity and sympathy
vern- alirred by
guild of
story to which we had listened. I confess
banker's son appeared to me to be be obvious an it did to his unhappy father, but still I had such faith to my friend's judgement that I felt that there must be some grounds for
hope as long as he was dissatisfied with
accepted explanation. de bardly spoke
whole way
Bouthern suburb but eat with his chin upon his brasát
and hir bat drawm over hie eyse, sunk in and deepest thought.
ittle tur client appeared to have taken frest heart at
eitopse of
node whion had been presented to him, and he
desultory chat with me ovBT: Die businBER
shorter wiker.
Jul 10
spori rollway trurney and
brought wa to Pairbank.
Financier.
godeo residence of
Prite down the questions to which the following are answers.
The third one in the top spell with a red cover:
book) want to have
an BOSTY
MF:Chań-3s not anu
Next Tuesday, the 12th of January
૧૨૬ °°°°
To the little boat, but there
dollars and silty tente
REFER
CITY
147c8 1966
HALL
Example
2055
min, no of examples that were come
150-6 95
sitant to calculate first the max
\examples that were done by any of them.
A sum of money is sufficient to pay the wages of A and B for 20 days, or the wages of & and for 24 days, or the
wages of
A and C for 40 days. how long will it suffice pay
tags. s
In 1 day, ATB together can receive 26 of the sum of money
Lace [(##) #lof the sum of money represent as wages of a days.
The sum of money can suffice to pay
2 days = [[
§B factors and factorisation (i)
perd by tulichy.
frow or more
is regral anpressions give
then these antegral expression art calive fastes
of hatay tactors
And the
im into factors for factorisation d Resolution on factor is aw shause
differ from the diret operation of multiplication
Ang
cath
two or more expression can be malli placed togethe
general
found
down at can
expression (other
There is no general method of for
ition: In
find first the sum of wages
wages
2 days + 60, days
to find first the wages of each pair,
Note: (1 94 is necessary
123 In the above example, you
HINTS
& HJ BI C sår day;
GANS
in figit Peduce AM to E sit. ME= AM -
HENGR IL CÍS
-100 -£ L'as sum of αARC)
shown in fig.
ZA 4 BBC BE + É AC > BC
"Bidding.
AD+BE + OF SLAB!
#2A the
Produce AP to P St, PLEAD JOMBA
AB+ BPJAR ABTÁČ PAZAD. Similarly, NE Lor AST SC7254
Let Pd = £ then ar=96-h
As
H>AAR
Jo vais PARLAR AR=QR Cat 30°
* AR = PR Lot 60° (in the APR)
lastases
5. As shown in Fig 5 hati, & be the pts that the steamer first
the light howe Then LPQ is
PQ = PL sec P = 572 GP-***}
Hain steanas zaeed F-
ANS, Tomple
us the product
we have a definite process which always grita but in order to factarse a given expression, we have to learn a no of special devices, 24 should be noted that when one fact of or expression, a tacita de other tooth cos canoe obtained by
divisia
ink
«A» Expression in which exof term has a mornal faste
Example 6 Resoli 7a" - 5Q'i*135 a
Solution Emp
- 05 ( 7 - 50°1 + 350*
Example ? Evaluate
Solution
using factors.
Expressions in which the ternus can be arranged in groups which has a common factor
Example & Factorise 01-6-3) + 4 (3-6)
Solution
Exp
afb-s)-(6-3)
- (@ - a) { b − 3 )
Example 9 Pactorise abr ac-bdtco
Exp = R(b+c) = d(b-c)
Solutio
Impossible to resolve this expression into factor Note un En 9 about b• <#=C8+C]
12:03 a
general rule it is best to select whenever possible, a kite, with occurs to the hist power only
Sande fast "guiziner
anty quitare in one pecker and fifty dollars and for
cents in the achet
Cruse the road and turn to the right after five minutes"
Walk, you will find she post office.
Combine each of the following groupe of sentences into one
acei
last we entered the palace.
We proceeded into the chamber of presence.
I say the king.
He was seated on his throne in the chamber..
He was attended on each side by persons of prime quality.
He left the dining room.
She proposed to show me over the rest of the hous
I followed her upstairs and downstairs.
I admired as I want.
All was well arranged and handsome,
My pupil was a lively child.
She
had been spoilt and indulged
was sometimės wayward.
She was committed entirely to my care.
No interferenos from any quarter ever stopped my plans for
her improvement.
She soon forgot her little freaks and became obedient and
* teachable,
We got back.
It was' after moonrise."
A pony was standing at the garden door.1
We knew it to be the surgeons.
Mary Ann remarked that she supposed someone must be vary i11.
Bites, the surgeon, had been sent for at that time of the evening.!
Change the following into Indirect Speechi
"are you stupid?" Catherine dried. "Don't you understand) that something has happened today?"
Peyrol's mind was empty of ideas. Ha uniled uncertainly: "Don't worry. He will be here soon after midnight. You may go)
to dleep with an easy wind."
She turned her back on him contemptuously, and said sharply, "Cone along
"You are
at and went to the door.
theanged. I can't trust either of you. You are not"
people," her aunt said,
She went out. Only then did Catherine took away from the wall.
Her eyes mot Peyrol's, "Did you hear what che said? Wel Changed! It is she herself..
"Go after her, Catherine," he said at last with a shade of sympathy in his voies Try to put her to sleep"
5. Change the following into Direct Speech
legaere anked Androcles why he did not treat her properly and be a good husband to her..
Androcles asked in reply what he could do.
Megaera said that he couldre turn to his duty, and came back
o his home and his friends.