优课网
首页
数学
语文
英语
化学
物理
政治
历史
生物
首页
> (1)108+45+113-125(2)8x3+125=0(3)(32+48)(18-43)(4)(3+10)2006(3-10)2005(5)4-(15+2)0+(-2)3÷3-1(6)(1-2)2
(1)108+45+113-125(2)8x3+125=0(3)(32+48)(18-43)(4)(3+10)2006(3-10)2005(5)4-(15+2)0+(-2)3÷3-1(6)(1-2)2
题目简介
(1)108+45+113-125(2)8x3+125=0(3)(32+48)(18-43)(4)(3+10)2006(3-10)2005(5)4-(15+2)0+(-2)3÷3-1(6)(1-2)2
题目详情
(1)
108
+
45
+
1
1
3
-
125
(2)8x
3
+125=0
(3)
(3
2
+
48
)(
18
-4
3
)
(4)
(3+
10
)
2006
(3-
10
)
2005
(5)
4
-(
1
5+2
)
0
+(-2
)
3
÷
3
-1
(6)
(1-
2
)
2
+
3
(2-
2
)
3
+|π-4|+
(π-3.14
)
2
.
题型:解答题
难度:中档
来源:不详
答案
(1)原式=6
3
+3
5
+
2
3
3
-5
5
=
class="stub"20
3
-2
5
;
(2)方程变形得:x3=-
class="stub"125
8
,
解得:x=-
class="stub"5
2
;
(3)原式=(3
2
-4
3
)(3
2
+4
3
)
=(3
2
)2-(4
3
)2
=-30;
(4)原式=(3+
10
)[(3+
10
)(3-
10
)]2005
=-3-
10
;
(5)原式=2-1-8×3
=-23;
(6)原式=
2
-1+2-
2
+4-π+π-3.14
=1.86.
上一篇 :
The death toll of the quake
下一篇 :
若(a+2)0无意义,则a=______.-数学
搜索答案
更多内容推荐
It is colder today than it was yesterday. What terrible weather!A.brieflyB.deeplyC.physicallyD.sligh
Li Gang was required to apologize ___ the people present at the meeting ______ what he had done .A.f
–Have you got ready for your studying plan? --Yes! I have made it ______. Please give me some sugges
计算:3-1=______.-数学
若(2x+3)0=1,则x满足条件______.-数学
计算:(-12)-2÷(-2)2=______.-数学
—The earthquake last night was really terrifying.—, no people were injured or killed, and they escap
Due to circumstances ________ our control, the performance has to be canceled.A.beyondB.withC.within
Kids talk frequently about what they can do, __________ many adults do the opposite, tending to talk
He sold his farm, _________ gaining enough money for his journey. A.andB.thusC.ratherD.otherwise-高二英
(2y-4)0没有意义,则(-y)3=______.-数学
Tom , you ______ leave all your clothes on the floor like this!A.wouldn’tB.mustn’tC.needn’tD.might n
The Smiths are praised _______ the way they bring up their children. A.from B.by C.at D.for-英语
But as the moon gave ________ light, she didn’t dare open a window.A.far too muchB.too much farC.muc
Recent studies have discovered that fathers uniquely contribute to the development of their children
已知a=(-2)-1,b=-52+94,c=0,d=|2-5|.(1)请化简这四个数;(2)根据化简结果,求出这四个数中“有理数的和m”与“无理数的和n”,并比较m、n的大小.-数学
(1)计算:327+(5+π)0-|1-2|;(2)分解因式:a3-ab2.-数学
---It is what parents say and do that really matters in children’s character training. ---______.A.P
The boy is impolite to others and this _________ hurts himself.A.in turnB.at turnsC.by turnsD.in tur
You can get off the bus one or two stops ________ and walk the rest of the way to work every day so
计算:(-3)2-|-327|+(2+2)0.-数学
---Thank God you’re safe!--- I stepped back, just _______ to avoid the racing car.A.in time B.in cas
计算(6)2-(5-5)0+(12)2的结果是______.-数学
--- What a lot of fun it is to play on a frozen sports field! --- Isn’t it rather risky, ?A.thoughB.
Before you pay a visit to a place of interest, look in your local librarya book about it.A.onB.atC.f
He wrote down the text his teacher taught him________from memory.[ ]A. hardlyB. accuratelyC. suddenl
计算:(1)(-2)2-π0-4+2×(-3)(2)(21x4y3-35x3y2+7x2y2)÷(-7x2y)-数学
China is no longer ___ a production base; it is also one of the most important consumermarkets.A. p
These people were mentioned at the meeting, , Tom, Helen and Brown.A.speciallyB.especiallyC.simplyD.
The car is environmentally friendly because it uses electricity instead of gas. _____, it is less ex
Many Chinese universities provide scholarships for students _______ financial aid.A.in favor ofB.in
(1)(3xy2)-(-2xy)(2)(-2)2-20100+2-2(3)(2x2y)3-(-7xy2)÷(14x4y3)-数学
(1)|3-8|-(53-6)0×(-2)4;(2)(x+1)2+8=72.-数学
We decided not to climb the mountains as it was raining ________ .A.badlyB.hardlyC.stronglyD.heavily
-How do you find your trip to Hainan?-Lots of sunshine, wonderful food, and amazing nightlife,______
81. This gentleman is very interested in singing. He often goes to the Karaoke hall with his friends
代数式(a-12)0=1,则a的取值范围是______.-数学
Shanghai and Nanjing are among the most important cities in China __________ their size and populati
All the events of the Olympic Games were broadcast ___________ on TV. [ ]A. aliveB. livelyC. liveD.
A serious study of physics is impossiblesome knowledge of mathematics.A.againstB.beforeC.beyondD.wit
----It’s a warm day, isn’t it?----Yes, it is _______ cold. I just wear a jacket.A.a bitB.a littleC.n
---Let’s have a further talk. ---Sorry, I don’t have time. My report is due on Friday and I am in a
计算:3-864-(-2)-2×(-4)2+3(-2)3×(3-10)0.-数学
|1-2|+|2-3|+(3-2)0.-数学
The bank refused to give the company more time, and ________, it broke down.A.legallyB.consequentlyC
I’m certain David’s told you his business trouble. ________, it’s no secret that he owes a lot of mo
(1)计算:20120-3tan30°+(13)-2-|3-2|.(2)先化简,再求值:a(a-2b)+2(a+b)(a-b)+(a+b)2,其中a=-12,b=1.-数学
The little boy talked his mother ______buying him a home computer.A.ofB.overC.toD.into-高三英语
计算:2x3y-23x-1y=______.-数学
the city lies the famous beautiful mountain.A.40 miles southeast ofB.To 40 miles southeast ofC.South
返回顶部
题目简介
(1)108+45+113-125(2)8x3+125=0(3)(32+48)(18-43)(4)(3+10)2006(3-10)2005(5)4-(15+2)0+(-2)3÷3-1(6)(1-2)2
题目详情
(2)8x3+125=0
(3)(3
(4)(3+
(5)
(6)
答案
=
(2)方程变形得:x3=-
解得:x=-
(3)原式=(3
=(3
=-30;
(4)原式=(3+
=-3-
(5)原式=2-1-8×3
=-23;
(6)原式=
=1.86.