BG真人版

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。