优课网
首页
数学
语文
英语
化学
物理
政治
历史
生物
首页
> 计算:8-4sin45°+(2-π)0-(12)-1.-数学
计算:8-4sin45°+(2-π)0-(12)-1.-数学
题目简介
计算:8-4sin45°+(2-π)0-(12)-1.-数学
题目详情
计算:
8
-4sin45°+(2-π)
0
-(
1
2
)
-1
.
题型:解答题
难度:中档
来源:西藏
答案
原式=2
2
-4×
2
2
+1-2=-1.
上一篇 :
计算:8-2sin45°+(2-π)0-(13)-1.-
下一篇 :
sin60°tan30°+|sin45°-1|+(t
搜索答案
更多内容推荐
23.Mike must be angry with me, for he walked________me without even saying hello.A.pastB.onC.atD.Ove
--- How ________ do you attend the evening classes? --- _______, three times per week.A.long; On the
①计算:|-3|+3•tan30°-3-8-0②先化简再求值:(x+2)(x-2)+x(3-x),其中x=2+1.-数学
Did you benefit _________ the new way of doing business?A.toB.inC.forD.from-高一英语
I must go now. _____, if you want that book I'll bring it next time.A.IncidentallyB.Accidentall
I shall take you back to Beijing _____ you are well enough to travel.A.presentlyB.promptlyC.immediat
He’s only 17 and____not eligible to vote.A.soB.thenC.alreadyD./therefore-英语
计算:(-12)-2+(π-2010)0-2tan30°+(-3)2.-数学
当a>0时,计算:9a2+(2009a)0-(12)-2+|-3a|.-数学
若3x=12,3y=4,则3x﹣y=();若(x﹣3)0=1,则x应满足条件().-七年级数学
若a=﹣0.32,b=﹣3﹣2,c=(﹣)﹣2,d=(﹣)0,则a、b、c、d的大小关系是_________.-七年级数学
You’ll succeed _____because you are always working hard.A.on timeB.in timeC.at timesD.at the time-高一
Bill always seems so self-confident, but _____ he’s extremely shy.A.in vainB.in contrastC.in reality
If they do not give us a treat, we can play a trick ________ them.A.atB.onC.forD.to-高一英语
计算:-32+327-4tan45°+(12)-2+(sin20°+4)0.-数学
Besides our group, we need some 20 extra workers _____ to get the work finished in time. [ ]A. aroun
计算:33+2cos60°+(3-π)2+(12)-1.-数学
All too _____ it was time to go back to school after the glorious summer holidays.A.oftenB.fastC.soo
She is organized, friendly to people, hard-working and clever. _______, I can’t speak too highly of
_____ Monday morning he wrote an article on grammar._____ Monday morning he had written an article
—You must apologize_____ your sister _____being so rude.—No way. It was her fault.[ ]A. with; about
计算:(2011-1)0+18sin45°-22.-数学
His report was so exciting that it was _______ interrupted by applause. [ ]A. constantB. constantlyC
Do you think that bridge ____ 2,000 meters long? It doesn't seem ____ long. [ ]A. measures, tha
(1)计算:2sin60°-(-1)2012-12+(23)0;(2)先化简,再求值:(a2-5a+2a+2+1)÷a2-4a2+4a+4,其中a=2+3.-数学
People hold Dragon-boat races __________ Qu Yuan on the 5th of the fifth lunar month.A.rememberingB.
The traffic policeman _____ the cars to run _____ at the crossing. [ ]A. directed; to the right dire
19. I made a bad impression ________ the teacher ________ arriving late on my first day.A.on; byB.to
The thief tried to open the locked door but . [ ]A.in no wayB.in vain C.without effectD.at a loss -高
Deserts, dry areas with _____ no vegetation, cover more than one-third of the Earth's land surf
We suddenly saw the bus about to leave and had to run _____ to catch it.A.hardlyB.awkwardlyC.hardD.s
The crowds had all gone home and the street was quiet ________.[ ]A. any moreB. no longerC. any long
单词拼写,按照提示写出单词的正确形式.1. He looks handsome and gentle, but ______ __(事实上) he is a thief.2. Judging from
计算:(13)-1+3•tan30°-38-(2008-π)0.-数学
计算:38+(-2011)0-(13)-1+|-2|+(-1)3.-数学
(23-3)0=()A.0B.1C.3D.2-数学
Deaf people talk ________.A.with signsB.with sign languageC.by signsD.by speaking sign language-高三英语
The summer holiday is just ____ the corner. How do you plan to spend it?A.atB.aroundC.onD.in-英语
I should like to buy a house, modern, comfortable, and ______ , in a quiet place.A.first of allB.aft
We tried our best and won the football match ____ one goal in the end.A.forB.toC.byD.of-高三英语
— Volunteering isbecoming_____popularin China.— Yeah, people are now aware that helping others is he
What the scientist said sounded strange, ______, they made sense. [ ]A. therefore B. howeverC. since
Although I often send e-mails to Tom, I have never seen him _____________. [ ]A. face to face B. in
My parents will move back into town in a year or _______ .A.later B.after C.so D.about-高三英语
Hearing the news that he won the first in the competition,his voice trembled ________ excitement.[ ]
计算:(-12)-1-3tan30°+(1-2)0+12.-数学
(-12)2+2-1×(23-|23-2|).-数学
(1)计算:tan45°+12×2-1-30(2)化简:(a+1)(a-1)+a(1-a)-数学
改错.The Internet is playing an important part on our daily life. In the net, we can learn about news
化简计算:(1)|-6|+(π-3.14)0-(-13)-1(2)(-2x3)2-(-x2)÷[(-x)2]3(3)(3x-2)(-3x-2)(4)(2a-b)2-(2a+b)2.-数学
返回顶部
题目简介
计算:8-4sin45°+(2-π)0-(12)-1.-数学
题目详情
答案