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小学数学“十佳”思维训练题

小学数学“十佳”思维训练题

XIAOXUESHUXUE“SHIJIA”SIWEIXUNLIANTI(116)

棋牌游戏CANSAIJIAOSHIXINGMING LICUIE XUEXIAO DAXINLUXIAOXUE WANGYANCHENGYUANBIANHAO

棋牌游戏1、FUQINHEERZIJINNIANGONGYOU60FU,YOUZHI4NIANQIAN,FUQINDENIANLINGZHENGHAOSHIERZIDE3BEI,ERZIJINNIANSHIDUOSHAOSUI?

FENXIYUJIEDA:4NIANQIAN,FUZIDENIANLINGHESHI:60-4×2=52SUI,4NIANQIANERZIDESUISHUWEI52÷(1+3)=13SUI,NEIMEERZIJINNIANDESUISHUSHI13+9=17SUI。

2、YIZHIA×1

23

=13×80% =C÷75%=D÷

45

=E÷1 ,QIEA、B、C、D、EDOUBU

5

1

棋牌游戏WEILING,BAA、B、C、D、EANCONGXIAODAODAPAILIE,DIERGESHUSHI( )

FENXIYUJIEDA:JIASHEA××80% =C÷75%=D÷,ZE, SUOYIBAA、B、C、D、EANCONGXIAODAODAPAILIEDIERGE544

5

5

3

4

3

5

5

5

62

4

1

3

JIUSHIC

棋牌游戏3、RUTU,YIZHIXIAOZHENGFANGXINGDEBIANZHANGSHI9LIMI,QIUTUZHONGYINYINGBUFENDEMIANJI。

棋牌游戏FENXIYUJIEDA:LIANJIEAC,SYIN=S△ACG+ S△GCE- S△ACEER△ACEYU△ACGDENGDIDENGGAO, S△ACE=S△ACG,ERS△ACE=S△ACH+S△HCE ,S△ACG=S△ACH+S△AHG SUOYIS△AHG=S△HCE,ZEYINYINGBUFENMIANJIWEIXIAOZHENGFANGXINGMIANJIDEYIBAN。JI9×9×2PINGFANGLIMI.

棋牌游戏4、KUAICHEYUMANCHECONGJIAYILIANGDIXIANGDUIKAICHU,RUGUOMANCHEXIANKAI2XIAOSHI,LIANGCHEXIANGYUSHIMANCHECHAOGUOZHONGDIAN24QIANMI,RUOKUAILEXIANKAICHU2XIAOSHI,XIANGYUSHILIZHONGDIAN72QIANMICHU,RUGUOTONGSHIKAICHU,4XIAOSHIKEYIXIANGYU,KUAICHEBIMANCHEMEIXIAOSHIDUOXINGDUOSHAOQIANMI?

1

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