牛牛棋牌下载

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                                  1. 范文中国网后台-模板-公共模板变量-头部模板-自定义右侧文字

                                    首页 > TAG信息列表 > 乘法对加法的分配律

                                    • 设计说明本节课在教学设计上主要突出以下几点:1.加法结合律这

                                      牛牛棋牌下载 BENJIEKEZAIJIAOXUESHEJISHANGZHUYAOTUCHUYIXIAJIDIAN: 2.DIAODONGYIYOUDEXUEXIJINGYAN,ZIZHUFAXIANGUILV。 YINWEIBENNEIRONGDEXUEXISHIZAIGANGGANGXUEXILEJIAFAJIAOHUANLVDEJICHUSHANGJINXINGDE,SUOYIYINDAOXUESHENGQIANYIYUNSUANDINGLVXUEXIJINGYANSHIXUEHAOBENNEIRONGDEJIBENCELVE。JIAOXUEZHONG,LIYONGQINGJINGYINDAOXUESHENGLIJIELIANGZHONGYUNSUANSHUNXUDEYIYI,ZAIBIJIAOYUNSUANYIYIHEJISUANJIEGUODEJICHUSHANGDEDAODENGSHI,BINGQINGXUESHENGGENJUCIDENGSHIDETEDIAN,JUYIXIELIZI,DUICILEIDENGSHIDETEDIANZHANKAITAOLUN,RANHOUCHUBUXIAOJIEDEDAOJIAFAJIEHELVDENEIRONG。 KEQIANZHUNBEI JIAOSHIZHUNBEIDUOMEITIKEJIANKETANGHUODONGKA XUESHENGZHUNBEIXUEQINGJIANCEKA JIAOXUEGUOCHENG ⊙FUXIDAORU 1.GENJUJIAFAJIAOHUANLVTIANKONG。 20+34=()+20 36+()=64+() a+700=()+() 2.XIAMIANDESUANSHINAXIEFUHEJIAFAJIAOHUANLV? (1)230+270=300+200 (2)60+80+40=60+40+80 (3)48+d=d+48 SHI:SHANGJIEKEWOMENXUEXILEJIAFAJIAOHUANLV,ZHIDAOLELIANGGESHUXIANGJIA,JIAOHUANJIASHUDEWEIZHI,HEBUBIAN。NEIMEJIAFAHAIYOUMEIYOUQITAYUNSUANDINGLVNI?ZHEIXIEYUNSUANDINGLVYOUYOUSHENMEYONGTUNI?ZHEIJIEKEWOMENJIULAIXUEXIJIAFAJIEHELV。(BANSHUKETI:JIAFAJIEHELV) SHEJIYITU:TONGGUOFUXIJIAFAJIAOHUANLV,HUANQIXUESHENGDUIYIYOUZHISHIDEHUIGU,TONGSHIJIFAXUESHENGTANJIUJIAFADELINGYIGEZHONGYAOYUNSUANDINGLV——JIAFAJIEHELVDEXINGQU。 ⊙TANJIUXINZHI 1.JIAOXUELI2。JIAFAJIEHELV CHUSHILI2:LISHUSHUDIYITIANQILE88 km,DIERTIANQILE104 km,DISANTIANQILE96 km。ZHEISANTIANLISHUSHUYIGONGQILEDUOSHAOQIANMI? SHI:ZHEIDAOTIZHONGYIZHISHENME,QIUSHENME?NINENGLIECHUZONGHESUANSHIMA?LIESHIHOUYUTONGZHUOJIAOLIU。(RUGUOXUESHENGMEIYOUJICHUDIERZHONGSUANFA,JIAOSHIYINDAOXUESHENGTAOLUN:HAIYOUBUTONGDESUANFAMA?) FANGFAYI(88+104)+96 =192+96 =288(km) FANGFAER88+(104+96) =88+200 =288(km) SHI:GUANCHAZHEILIANGGESUANSHI,SHUOYISHUOTAMENFENBIEXIANQIUSHENME,ZAIQIUSHENME。XIAOZUNEIJIAOLIU,RANHOUHUIBAO。 YUSHE SHENG1:FANGFAYIXIANQIUDIYITIANHEDIERTIANYIGONGQILEDUOSHAOQIANMI,ZAIHEDISANTIANSUOXINGDELUCHENGXIANGJIA,CONGERQIUCHUZHEISANTIANLISHUSHUYIGONGQILEDUOSHAOQIANMI。 SHENG2:FANGFAERXIANQIUDIERTIANHEDISANTIANYIGONGQILEDUOSHAOQIANMI,ZAIHEDIYITIANSUOXINGDELUCHENGXIANGJIA,CONGERQIUCHUZHEISANTIANLISHUSHUYIGONGQILEDUOSHAOQIANMI。JIAFAJIEHELV SHI:ZHEILIANGGESUANSHIDEJIEGUOXIANGTONG,KEYIYONGSHENMEFUHAOLIANJIE? (88+104)+96○88+(104+96) YUSHE SHENG:KEYIYONG“=”LIANJIE。 2.YIXIAOZUWEIDANWEIZHANKAITANJIUHUODONG。 (1)CHUSHIKETANGHUODONGKA,XUESHENGYIXIAOZUWEIDANWEIZHANKAITANJIU。 (2)YIXIAOZUWEIDANWEIHUIBAO。...

                                      2017-03-17 教案下载 219 ℃ 0
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