mr. paks quiz for english(006) ***
-- ǰ.
ǰ ٷ ٷ Ǵϰ ٷ ű ־ Ѵ.--
***
< 006 ȸ> Ƽ
/ pattys age?
.
[q] : 10 ,
Ƽ(patty) Ӵϴ Ƽ ̿ ټ 迴.
ten years ago,
/ pattys mother was / five times pattys age.
.
׳ ׳ Ӵ ̿ 3/7 ǰ,
now
/ she is / three sevenths of her mothers age,
.
5 Ŀ
׳ Ӵ ̴.
/ and in five years
/ she will be / half her mothers age.
.
׳డ ׳ Ӵ
׳(patty) ɱ?
how old will she be
/ when she is half / her mothers age?
.
:
) 15 ) 18 " ) 20 " ) 22 "
.
[] ( )
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==
<ܾб> :
moth.er /mʌ́.ər/[^ۤ ́.()] [](x)
sev.enths /sév.ənɵs/[ˤ ́.𤵵彺] [ˤ ́.](ok)
times /taimz/[ŸӤ]
*time/taim/[Ÿ] ð ǰ ڿ s Ƚ ȴ.
years /jiə:rs/[̾()] [](x)
*ear /iə:r/[̾()] ǰ . year /jiə:r/[̿()](ok)
.
* ȣ(43) ߺ ѱ 並 ƺ ϳ ܰ ִ.
y ѱ 並 Ʒ ȣǥ ĺ "j " /j/[] Ͽ
̳ ۷δ ǥ /j/[].
.
w /w/[] ٸ ̳ ٿ ʴ´.
/j/[] Ϲδ δ ٿ д 찡 ִ.
.
* new/nju:/[Ͽ], /n/[] /j/[] /u:/[] [̿] д´.
ѱ ̷ б [Ͽ] д´. [](x)
===
[ 006 ȸ ؼ] :
: ) 20 ( patty=15, mom=35)
ؼ :
patty ̸ p m .
1) 10 -- (p-10)5 = m-10
2) -- p=3/7m,
3) 5 --
p+5=(m+5)1/2, p=(m+5)1/2-5, p=0.5m+2.5-5, p=0.5m-2.5
0.5m-2.5=3/7m, -->0.5m-3/7m=2.5, --> m=35, p=15
˻ :
m=35 2) ϸ p=15
1) ϸ (p-10)5=m(35)-10, -->5p -50=35-10, 5p=75,
p=15
==
< >
i never did a days work in my life.
it was all fun.
Ϸ ʾҴ.
װ ִ ̿.
ӽ ٹ (thomas alva edison) ̱ ߸
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