pailiezuhewentishiyijishuweizhuyaoneirongdepailiehezuhe,bujinyouzhexuduozhijieyingyong,yeshixuexigailvlilundezhongyaojichu。pailiezuhezhongliangdajishuyuanliyijisizhongchangyongfangfashikaoshizhongdechangkaokaodian,erliangdajishuyuanlishiguanchuanpailiezuhedezhongyaoyuanli,yinci,zhonggongjiaoyuzhuanjiazaizheibianjidajiajieshaoxialiangdajishuyuanliyijiqiyongfa。
yi、jishuyuanli
1、jiafayuanli: wanchengyijianshiqing,xuyaohuafenjigeleibie,geleibiezhongdefangfakeyiduliwanchengzheijianshiqing。dangzheizhongfenleimeiyouzhongfu、meiyouyiloushi,wanchengzheijianshiqingdefangfazongshudengyumeiyileifangfashuzhihe。
2、chengfayuanli: wanchengyijianshiqing,xuyaofenweijigebuzhou,meigebuzhoudefangfaganghaowanchenggaibuzhou,suoyoubuzhoushishiwanbiganghaowanchengzheijianshi,zewanchengzheijianshiqingdefangfazongshudengyumeiyigebuzhoudefangfashuzhihe。
er、litijingjiang
【li1】danwei3gekeshifenbieyou7ming、9minghe6mingzhigong。xianchoudiao2minglaizibutongkeshidezhigongcanjiadiaoyanhuodong,wen: youduoshaozhongbutongdetiaoxuanfangshi?
BG真人版a.146 b.159 c.179 d.286
【daan】b。zhonggongjiexi: xuandiao2minglaizibutongkeshidezhigongcanjiahuodong,nalianggebutongkeshijiushejidaofenlei,meiyileiyaoxuanlianggerenzeyoushejidaofenbu,jixuyaoyongdaofenleixiangjiafenbuxiangchengdeyuanli。yigongfenchengsanlei,yileishicong7minghe9mingzhongxuanqu,yileishicong7minghe6mingzhongxuanqu,yileishicong9minghe6mingzhongxuanqu。qiemeiyileidouxuyaofenchengliangbuzaibutongdekeshizhongxuanqu。zezhigonglaizibutongkeshidetiaoxuanfangshiyou7×9+7×6+9×6=159zhong。guxuanb。
【li2】xiaowangquchaoshigouwu,daixianjin245yuan。qizhong1yuan6zhang,2yuan2zhang,5yuan3zhang,10yuan2zhang,50yuan2zhang,100yuan1zhang,xuangoudewupinzongji167yuan。ruoyongxianjinjiezhangqiebuxuyaozhaoling,zebutongdemianzhizuhefangshiyou:
a.6zhong b.7zhong c.8zhong d.9zhong
【daan】c。zhonggongjiexi: genjuxianjinhewupinjiagekezhi,xianjindezuhezhongbiyou1zhang100yuanhe1zhang50yuan,zhixuyaopanduanshengyu17yuandezuhefangshijike。youduoshaozhongzuhefangshixiangdangshiyouduoshaoleizuhenengzuhecheng167yuan,meiyileizhongzhiyouyizhongqingkuang,suoyixiangdangyushiqiuzuhefangshidezhongshu。zezuhefangshiyouyixiajizhong: ①1zhang10yuan、1zhang5yuan、yizhang2yuan、1zhang1yuan;②1zhang10yuan、1zhang5yuan、2zhang3yuan;③1zhang10yuan、2zhang2yuan、3zhang3yuan;④1zhang10yuan、1zhang2yuan、5zhang3yuan;⑤3zhang5yuan、1zhang2yuan;⑥3zhang2yuan、2zhang1yuan;⑦2zhang5yuan、2zhang2yuan、3zhang1yuan;⑧2zhang5yuan、1zhang2yuan、5zhang1yuan;gongyou8zhong,guxuanc。
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