《用2-6的乘法口诀求商》练习.ppt

2,（）三得六，商是,二,2,15,3,15,3,三（五）十五，商是5。,5,3,5,15,15,3,5,15,5,3,5,3,6,3,5,6,4,6,1,4,5,2,6,5,4,2,五五二十五,三五十五,四七二十八,二七十四,三六十八,四四十六,二六十二,六六三十六,四五二十,36=18（人）,18 36（人）,18 63（组）,3,3,5,4,4,4,6,6,12,5,4,2,6,6,6,3,25,5,5,18,4,2,3,122,164,153,42,62,183,84,246,105,205,186,44,2,5,4,6,2,4,2,6,1,3,4,3,12,3,4,