BG真人版geweikaosheng,duiyugongwuyuankaoshixingcekemulaishuo,zuotisudushiyongyuandezhuti,erxingceliyizhishidabufenkaoshengsuotoutengdebufen,xianzaidegongwuyuankaoshiyuelaiyuenan,danyeyoubufendetikeyiliyongyixiemiaoshadejiqiaolaiqiaojie,zheiyangjiukeyiweibgzhenrenbanjieshengxiadaliangdeshijian。erjintianzhonggongjiaoyusuoyaotandaodezhengchusixiangjiushijiqiaozhiyi。
yi、dingyi
zhengshu÷zhengshu=zhengshu
er、yingyonghuanjing
BG真人版1、wenzimiaoshuchuxian“mei”、“pingjun”、“beishu”dengziyankeyikaolvzhengchusixiang。
2、shujuchuxian“fenshu”、“baifenshu”、“bili”、“xiaoshu”zheixiexingshishikaolvzhengchusixiang。
san、litiyingyong
BG真人版li1.mougongsiqunianyouyuangong830ren,jinniannanyuangongrenshubiqunianjianshao6%,nvyuangongrenshubiqunianzengjia5%,yuangongzongshubiqunianzengjia3ren,wenjinniannanyuangongyouduoshaoren?
a.329 b.350 c.371 d.504
【daan】a。
BG真人版zhonggongjiexi: fangfayi、fangchengqiujie: fangchengshijiejuexingceliwentichangyongdefangfa,haoyongdanshiyouxiefeishi。keyishequniannanyuangongxren,zequniannvyuangongwei(830-x)ren,94%x+105%×(830-x)=833,jiedex=350,neimejinniannanyuangongderenshuwei350×94%=329。zheigefangchengbijiaofuza,jiedeguochenghaofeishijianjiaoduo。
fangfaer、zhengchusixianglaijie: timudangzhongchuxianlebaifenshu,suoyikeyiyongzhengchusixianglaijie。jinniannanyuangongderenshushiquniande1-6%=94%,zongrenshuyidinghanyouyinzi47,jizongrenshunenggoubei47zhengchu,zheishiyanzheng4gexuanxiang,zhiyouaxuanxiangnenggoubei47zhengchu,suoyixuanzeaxuanxiang。
shibushihenjingxiya?yongzhengchudeyixiebanfalaijiejuezanmenxingcelidetimudehuahenkuaijiukeyile,neimebgzhenrenbanzailaikanjidaotijinxingyixiagonggu。
BG真人版li2.xiaoxuehexiaomindezangshuceshuzhibishi7:5,ruguoxiaoxuesong65benjixiaomin,neimetamendezangshuceshuzhibishi3:4,zexiaominyuanlaidezangshushiduoshaoce?
a.175 b.245 c.420 d.180
【daan】a。
zhonggongjiexi: tamendezangshuceshuzhibishi3:4,jiuyiweizhexiaominyuanlaideshudeceshujiashang65zhihounengbei4zhengchu,zezhiyouxuanxiangamanzutiyi。
BG真人版li3.mouliangkuliyousanduidaizhuangdami,yizhidiyiduiyou303daidami,dierduiyouquanbudamidaishudewufenzhiyi,disanduiyouquanbudamidaishudeqifenzhiruogan。wenliangkuligongyouduoshaodaidami?
BG真人版a.2585 b.3535 c.3825 d.4115
【daan】b。
BG真人版zhonggongjiexi: zheidaotiruguoyongqitadefangfakenenghennankuaisudechudaan,xianranyongzhengchusixiangjiuhenkuaijiejuewenti,yinweizongdedamidaishuyidingkeyibei5he7zhengshu,suoyishuo,zhiyoubxuanxiangfuhe。
BG真人版tongguoduiyudingyiyijiyingyonghuanjingdelejie,bingqiejingguojidaolitidelianxi,xiangxingeweitongxueduiyuzhengchudouyoulexindelijie,zaikaochangshangqiaoyongzhengchujiqiao,keyigengkuaidejiejuewenti,tishengzuotisudu,shibgzhenrenbandechengjigengshangyicenglou。
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