（4）剑灵急转直下怎么做？急

来源：蜘蛛抓取(WebSpider) 时间：2014-12-22 06:16 标签： 剑灵急转直下怎么做
1-2方+3方-4方+5方-6方+……+2005方-2006方+2007方-2008方
怎么做?急THANK啊大虾门帮帮忙写不出来要打屁股啊995_作业帮
1-2方+3方-4方+5方-6方+……+2005方-2006方+2007方-2008方
怎么做?急THANK啊大虾门帮帮忙写不出来要打屁股啊9951-2平方+3平方-4平方+5平方-6平方+……+2005平方-2006平方+2007平方-2008平方怎么做？
：1-2平方+3平方-4平方+5平方-6平方+……+2005平方-2006平方+2007平方-2008平方=(1+2)(1-2)+(3+4)(3-4)+(5+6)(5-6)+...+()()=-(1+2)-(3+4)-(5+6).-()=-[1+2+3+4+5+6+...+]=-[1+/2=-2017036公式 ：a^2-b^2=(a+b)(a-b)
你说方，应该是平方吧，呵呵。那提醒一下好了，用平方差公式，两两化简就很容易得到结果了啊。1.suffer 2.hardship 3.financial 4.cure 5.evil 6.suicide 7.determination 8.burden 9.define 10.research 11.resource 12.mankind1.If the earth's temperature rises,it will be a disaster for all_________.2.After the accident,Bill learned to walk again through hard work and________.3.I _作业帮
1.suffer 2.hardship 3.financial 4.cure 5.evil 6.suicide 7.determination 8.burden 9.define 10.research 11.resource 12.mankind1.If the earth's temperature rises,it will be a disaster for all_________.2.After the accident,Bill learned to walk again through hard work and________.3.I have bought myself insurance for I don't want to be a(n)_______to my children when I'm old.4.The job involves a lot of writing,typing,and even traveling so its duties are difficult to_________.5.The amount of______aid offered has influenced students' decisions about which school to attend.6.We need to devote more time and______to this important project.7.She's doing_______into the connection between crime and poverty.8.Scientists have agreed on the cause of the disease but still haven't found a_________for it.9.Life can be seen as an endless struggle between good and________.10.Rising food prices caused great_______for most of the population.11.The police denied any responsibility and suggested that many of those who died had committed_________.12.An examination revealed that the driver had_____a heart attack at the time of the accident.1.cry over 2.can't help but 3.break down 4.slip into 5.dress up 6.look.in the eye 7.no doubt 8.take.for granted 1.All the worry and anxiety had been too much for her,so she suddenly_____in tears.2.He_________all he had_________,and never realized how lucky he was.3.He was afraid to ______me______because he was not telling the truth.4.When I saw that man of strong principle and sense of justice,I_________respect him.5.The loss of oppotunity was a heavy blow to him,but it was no use______it.6.The girl is so interested in the physical world that she will_____be a great scientist.7.The boy got amused at the idea of______as a girl to attend the party.8.Three days after the heart attack,the patient_____a coma and died the next day.
2.determination
5.financial6.resource
10.hardship
12.suffer1.cry over
2.take .. for granted.
3look...in the eye4.can't help but
5.break down
6.no doubt
7.dressing up8.slipped into自己做的
不知道对不对
这也太多了吧！要学会自力更生啊！
这么多？自己做吧
1.mankind 2.determination 3.burden 4.define 5.financial 6.resources 7.research 8.cure 9.evil 10.hardship 11.suicide 12.suffered1.cried over 2.took,for granted 3.look,in the eye 4.couldn't help but5.breaking down 6.no doubt 7.dressing up 8.slipped into这是参考答案五年级数学小灵通上册50页第4题怎么做？急急急..._百度知道
五年级数学小灵通上册50页第4题怎么做？急急急...
文具店进一些橡皮，每盒10块，进价每盒4.4元，零售价每块0.6元；铅笔每捆20支，进货畅担扳杆殖访帮诗爆涧价每捆16元，零售价每只1.3元。。这个文具店1天共卖出28块橡皮和15只铅笔。这一天橡皮和铅笔各盈利多少元
先求每块橡皮进价4.4÷10=0.44（元）然后是每块盈利0.6-0.44=0.16（元）最后是一共盈利0.16x28=4.48（元）铅笔一样16÷20=0.8（元）1.3-0.8=0.5（元）0.5x15=7.畅担扳杆殖访帮诗爆涧5（元）最后吐槽一句：文具店要破产了.....
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其他2条回答
橡皮盈利：(0.6-4.4÷10)x28=4.48(元）铅笔盈利：（1.3-16÷20）x15=7.5元
4.4÷10=0.44（元）0.6-0.44=0.16（元）0.16x28=4.48（元）16÷20=0.8（元）1.3-0.8=0.5（元）0.5x15=7.5（元）
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出门在外也不愁这本书共有 = ( 30 -5 )÷( 1- 1/4 -1/4) = 50 页

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