小学数学北师大四年级《有趣的算式》课件.ppt

,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,1/22/2026,PPT,模板下载：,四年级上册 第三单元 乘法,陕西师范大学附属小学,11,1111,111111,11111111,1111111111,第一站,奇妙的宝塔,11,1111,111111,11111111,121,12321,123,4,321,1234,5,4321,1,回文数,1111111111,第一站,奇妙的宝塔,1/22/2026,僧游云隐寺,寺,隐云游僧,999999999999,想一想，怎样研究下面算式的结果？,第二站,神奇的,9,9999,999999,99999999,9999999999,999999999999,9,8,0,1,99,8,00,1,999,8,000,1,9999,8,0000,1,99999,8,00000,1,神奇的,9,129,3,1239,4,12349,5,123459,11,111,1111,123456,11111,6,111111,9,7,1111111,第三站,142857,285714,428571,571428,714285,857142,说说你的收获,