英语数学题1
老师您辛苦了作文-技术员年终总结
这几道题都是关于数学哪方面知识的？
urn contains six
red,three white,and two blue how many ways
can three marbles be selected so that at least
one is blue?
2.A man has a penny,a
nickel,a dime,a quarter,and a half-dollar coin in
his
man reaches into his pocket and selects
three many
different sums can he three coins
form?
cards are drawn from a standard
deck of 52 many different
hands of five cards
contain four of a kind(four cards of the same rank
plus one
additional card)?
ice cream
store has 31 flavors to select from.A customer
wants to select
two different many ways can
the customer make this selection?
5.A set
contains five many subets can be formed from the
set?
1. 2755
2. $$0.31 $$0.56 $$0.76
$$0.8
3.4165
4.465
5.120
How many seven-digit telephone numbers are
there for any one area code if the numbers 0 or 1
can not be used as the first digit of a seven
digit phone number?
不用阶乘啊…… 第一位不能用0、1，所以有8种组合。
后面6位每位有10种
组合，一共是8*10^6=8,000,000
1，A couple wants to tour four cities in
Europe(London,Hamburg,Paris,and
Zurich)on
their an irinerary is the order in which these
cities will
be visited,how many itineraries
are possible?
2,How many ways can a
committee(委员会) of twenty people elect(选举) a
president(委员长), secretary(秘书长) and a
treasurer(财务官)?
1,4*3*2*1=24
2,20*19*18= 自己算一下吧
The capacity of
a water tank is 18 liters. There are 2 liters left
in bottle after filling up with 4 time
s of
full bottle water to the tank. Find the capacity
of the bottle.
(水箱的容量是 18
公升,用满瓶水充入水箱四次后,瓶中还剩水 2公升,请问水瓶的容量.)
John will
be 12 years old after 5 years from now. How old is
John this year?
(5年后John是12岁,请问John今年几岁?)
Jennifer added $$120 to her saving account
during this brought her balance to $$700,how
mu
ch had she saved previously?
Jennifer在7
月存入了120美元，这样她的银行存款结余就达到了700美元，问她之前存过
多少美元？
答：700-120 = 580
The length of a rectangle
is 50 is 6 meters more than twice the the width.
一个长方型,长50M,长比他的宽的2倍多6米,问宽是多少?
答案:502-6=19
40% of the students in a school are boys. If
there are 240 boys, how many students are there in
th
e school?
一所学校百分之四十的学生是男孩。如果这所学校有240个男
孩子，请问这所学校一共有多
少学生？
240÷40％＝600 （人）
Article original manuscript each line of 24
characters, altogether 45lines. If changes each
line of 3
2 characters, each page of 32 line
offormats, how many lines then this article does
have to print?A
ltogether how many pages of
papers?
一篇文章原稿每行24个字，共45行。如果改为每行32个字，每页32行的版式
，那么这篇
文章需打印几行？共几页纸？
1、原稿的字数：24×45=1080
2、改后可以打印几行：1080÷32=33.75（取34行）
3、打印几页：34÷32（2页）
At the same time the
armor, the second grade two automobilesrelatively
starts from two places, pa
ssed through for 9
hours to meetone another, met one another when the
armored car happen to we
nt theentire journey
25. After meets one another, how many hours does
thesecond grade vehicle a
lso have to go to be
able the line of entirejourney?
甲、乙两辆汽车同时从两地
相对开出，经过9小时相遇，相遇时甲车正好行驶了全程的5
分之2。相遇後，乙车还要行驶几小时才能
行完全程？
1、相遇时甲车正好行驶了全程的5分之2，乙行了35
2、乙行了35用了9小时，行完全程要几小时：9÷（35）=15小时
3、乙车还要行驶几小时才能行完全程：15-9=6小时
Some workshop
has the worker 120 people, after time has
snowedheavily, the male worker popula
tion 58
and the female workerpopulation 37 sweeps away
snow. Known sweeps away snow altog
ether has64
people, how many people does this workshop have
the female worker?
某车间有工人120人，一次下了大雪后，男工人数的八
分之五和女工人数的七分之三去扫雪。
已知扫雪的共有64人，这个车间有女工多少人？
解：设原有男工x人，女工y人
x+y=120
58x+37y=64
(注:两个方程前要有大括号，分数线水平）
解得：x=64
y=56
(注：两个解前要有大括号）
答：女工有56人。
Fran’s
favorite photograph has a length of 6 inches and a
width of
4 inches. She wants to have it made
into a poster with dimensions that
are
similar to those of the photograph. She determined
that the poster
should have a length of 24
inches. How many inches wide will the
poster
be?
José wants to build a
triangular pen for his pet rabbit. He has three
lengths of boards already cut that measure 7
feet, 8 feet, and 16 feet.
Explain why José
cannot construct a pen in the shape of a triangle
with
sides of 7 feet, 8 feet, and 16 feet.