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 > 加法口诀表

                              • +-×÷+-×÷-加法结合律李叔叔这三天一共骑了多少千米?第

                                牛牛棋牌下载 + - × ÷ + - × ÷ - JIA FA JIE HE LV LISHUSHUZHEISANTIANYIGONGQILEDUOSHAOQIANMI? DIYITIAN DIERTIAN DISANTIAN 88QIANMI 104QIANMI 96QIANMI 88+104+96 LIESUANSHI: 88+104+96 =192+96 =288 88+104+96 200 288 (88+104)+9688+(104+96) = NINENGZAIJUJIGE ZHEIYANGDELIZIMA? GUANCHAXIAMIANMEIZUDELIANGGESUANSHI,TAMENYOUSHENMEYANGDEGUANXI? SHANGMIANDEMEIZUSUANSHIYOUSHENMEGONGTONGDIAN? CONGSHANGMIANDESUANSHI,KEYIFAXIANSHENMEGUILV? (69+172)+28 ○ 69+(172+28) 155+(145+207) ○ (155+145)+207 ①MEIZUSUANSHIZHONGYOUSANGEJIASHU,ERQIESANGE JIASHUXIANGTONG,ZHISHIJISUANSHIJISUANSHUNXUBUTONG。 ②MEIGEDENGSHIZHONG,ZUOYOULIANGBIANDEJIA SHUDEHEXIANGDENG。 (5+4)+6=4+(5+6) (36+84)+132=84+(36+132) 158+(68+245)=(68+158)+245 XIANBAQIANLIANGGESHUXIANGJIA,HUOZHEXIANBAHOULIANGGESHUXIANGJIA,HEBUBIAN。ZHEIJIAOZUOJIAFAJIEHELV。 (a+b)+c=a+(b+c) XIANBAQIANLIANGGESHUXIANGJIA,HUOZHEXIANBAHOULIANGGESHUXIANGJIA,HEBUBIAN。ZHEIJIAOZUOJIAFAJIEHELV。 RUGUOYONGZIMUa、b、cBIAOSHISANGEJIASHU,ZEKEYIXIECHENG: ZUOYIZUO GENJUJIAFAJIEHELVZAIXIAMIANFANGKUANGLITIANSHANGSHIDANGDESHU。JIAFAJIEHELVJIAFAJIEHELV (25+68)+32=25+(+) 130+(70+4)=(130+)+ HAITUNGUANDIYITIANMAICHU344ZHANGMENPIAO,DIERTIANSHANGWUMAICHU187ZHANG,XIAWUMAICHU213ZHANG。ZHEILIANGTIANYIGONGMAICHUDUOSHAOZHANGMENPIAO? 344+87+213 344+(187+213) =531+213 =744(ZHANG) =344+400 =744(ZHANG) XIAMIANSUANSHINAXIEYONGLEJIAFAYUNSUANDINGLV,SHISHENMEJIAFADINGLV? 38+27=27+38 ( ) 61+48+32=61+(48+32)( ) (54+227)+73=54+(227+73) ( ) 315+88+12=315+(88+12) ( ) JIAFAJIAOHUANLV JIAFAJIEHELV JIAFAJIEHELV JIAFAJIEHELV KETANGDABIAO 1.GENJUYUNSUANDINGLV,ZAIXIAMIANDE□LIMIANTIANSHANGSHIDANGDESHU。 (1)278+129+118=287+( +118) (2)(32+47)+65=32+( + ) (3)183+(46+a)=(183+ )+ 2.SHUOYISHUO,XIAMIANSUANSHIFENBIEYUNYONGLESHENMEYUNSUANDINGLV。 72+48=48+72 ( ) 42+32+56=42+56+32 ( ) 32+45+55=32+45+55 ( ) 25+(75+28)=(25+72)+28 ( ) 129 46 65 47 a ZHISHITUOZHAN YONGJIANBIANFANGFAJISUANXIALIEGETI 22+93+78 128+154+46 * * * *...

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