资源描述
单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,兴隆镇学区逸夫实验小学,数学广角,搭配(二),2,分钟倒计时,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,09,08,07,06,05,04,03,02,01,00,分,秒,1,1,分钟倒计时,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,09,08,07,06,05,04,03,02,01,00,分,秒,0,基础题:,462=23 1105=550 8004=200 1505=30,144=56 303=10 50005=1000 156=90,1810=180 1230=360 1602=80 123=36,163=48 323=96 442=88 1140=440,363=12 482=24 5608=70 808=640,提高题:,253=75 452=90 382=76 847=12,2082=104 4202=210 485=240,快乐城堡,用0、1、3、5能组成多少个没有重复数字的两位数?,用0、2、4、6能组成多少个没有重复数字的两位数?,把5块巧克力全部分给小丽、小明、小红,每人至少分一块。有多少种分法?,6种,闯关成功,谢谢!,
展开阅读全文