优课网
首页
数学
语文
英语
化学
物理
政治
历史
生物
首页
> (1)32-512+618;(2)(548-627+415)÷3;(3)23-1+27-(3-1)0;(4)3+13-1-(32-23)(32+23).-数学
(1)32-512+618;(2)(548-627+415)÷3;(3)23-1+27-(3-1)0;(4)3+13-1-(32-23)(32+23).-数学
题目简介
(1)32-512+618;(2)(548-627+415)÷3;(3)23-1+27-(3-1)0;(4)3+13-1-(32-23)(32+23).-数学
题目详情
(1)
32
-5
1
2
+6
1
8
;
(2)
(5
48
-6
27
+4
15
)÷
3
;
(3)
2
3
-1
+
27
-(
3
-1
)
0
;
(4)
3
+1
3
-1
-(3
2
-2
3
)(3
2
+2
3
)
.
题型:解答题
难度:中档
来源:不详
答案
(1)原式=4
2
-
5
2
2
+
3
2
2
=4
2
-
2
=3
2
;
(2)原式=(20
3
-18
3
+4
15
)÷
3
=(2
3
+4
15
)÷
3
=2+4
5
;
(3)原式=
3
+1+3
3
-1
=4
3
;
(4)原式=
4+2
3
2
-(18-12)
=2+
3
-6
=-4+
3
.
上一篇 :
计算:①12×3-18②(-12)-2+(π-
下一篇 :
After his wife's death, it t
搜索答案
更多内容推荐
若(x﹣3)0﹣2(3x﹣6)﹣2有意义,则x的取值范围是[]A.x≠3B.x≠2C.x≠2或x≠3D.x≠2且x≠3-七年级数学
I cannot______ puzzled, for I simply cannot understand how I could have made such a stupid mistake.A
计算:(-8)0+3•tan30°-3-1.-数学
---I haven’t got anything planned. Are you doing anything? ---No, I haven’t got anything planned, __
He had been _______ good terms with Tom, but all of ____ sudden they lost in touch with each other.A
(1)分解因式:a3-ab2;(2)计算:(13)-1+|1-2|-2cos45°.-数学
4-|3-1|+2-1×23-(2012-π)0.-数学
计算:27+12+3-(cos30°)0-数学
— Have you made an apology____him____breaking his window?— Yes, I have.[ ]A. for; toB. to; toC. for;
We’d better discuss everything _______ before we work out the plan.A.in detailB.in generalC.on purpo
To have a balance between study and a social life I’m going to join a few clubs. ______I’ll make som
I feel sure that ________ qualification, ability and experience,you are the most qualified one to do
计算(π-3)0-|-3|+6×(12-13)+4.-数学
Oudi, as a famous host of Hunan TV, is excellent, who does very well in performing,dancing,________.
It is reported that_________of this week the price will have risen by about 10%. A.by the endB.at t
A bus passed________ just a moment ago.A.onB.byC.inD.at-高二英语
计算:12+3-1-4sin60°+(π-2013)0.-数学
Make yourself _____ home and help yourself _____ anything that you'd like to eat. [ ]A. in; wit
Despite their______of interest, Fleming kept trying to develop chemical______ it would be safe and e
The situation is very serious, even if the government tries to pretend ______.A.furthermoreB.otherwi
Some scientists think there are _______ 2,000 million flashes of lightning per year. A.in shortB.on
The solution ______ this problem is acceptable. So I am ______ it. A.of; againstB.to; forC.to; onD.o
(-2)2-|-1|+(2013-π)0-(12)-1=______.-数学
计算:(π+3)0-|-2013|+64×18.-数学
--Do you think you will give me a hand in time of trouble? --I’d like to do something for you ______
He is driving ______ a speed of 100 kilometers per hour A.inB.withC.atD.for-高一英语
The city is 1.500 kilometers ______ our school.A.far awayB.far away fromC.far awayD.away from-高一英语
It is the prevention of disease______its successful treatment that has led to the rapid increase of
“When did you become an actor?” “_______ 1995, when I graduated from college.”A.AfterB.InC.FromD.Sin
计算:2cos60°+(-12)-1-(3-2)2÷(13-3)0.-数学
The man is ________ a serious nervous breakdown because he is unable to deal with pressure from dail
Jobs are hard to get and, _______, more young people are continuing their education.A.above allB.as
—Jessica is very bright and studies very hard _____.—No wonder she always gets the first place in th
计算:27-(4-π)0-(-1)2012+(-12)-1-|-33|+tan45°.-数学
— What do you think is ______ to happen tomorrow? — Sorry, I don’t know.A.likely B.possible C.probab
Neither of them knows the difference ________ the two and neither can we tell one ________the other.
Eating too much fat can ________ health problems,so we must have a balanced diet.A.lead toB.result f
I’ve arranged ___________ a car to send the children to the park, who have been divided _________ tw
_______ the assignment said above, you have to write a 200-word composition on environment pollution
The two top students in Mr. Green’s class competed _____ each other for the highest marks.A.toB.forC
计算:4cos45°+(π+3)0-8+(16)-1.-数学
计算:(-2011)0+(32)-1+|2-2|-2cos60°.-数学
The economic plan announced by the government soon after the crisis was greeted enthusiastically .A.
计算:(2-1)0+|-12|-cos60°.-数学
I think the talk given by the old scientist is ______ worth ______.A.very, to listenB.well, listenin
Nowadays food safety is a big problem and nobody can guarantee all foods are safe to us, but food pr
These two words are different _______ each other in spelling while they are similar ______ each othe
— What do you think of your English teacher's work? — It's ______ all praise. [ ]A. for B.
The suggestion he put forward was adopted with 16 votes _____ and 15 against it.A.in favour ofB.in r
The eyes react______light,as everybody knows.A.withB.againstC.onD.to-高一英语
返回顶部
题目简介
(1)32-512+618;(2)(548-627+415)÷3;(3)23-1+27-(3-1)0;(4)3+13-1-(32-23)(32+23).-数学
题目详情
(2)(5
(3)
(4)
答案
=4
=3
(2)原式=(20
=(2
=2+4
(3)原式=
=4
(4)原式=
=2+
=-4+