三位数乘两位数练习.ppt

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,*,“三位数乘两位数”练习,5,颗,计算能手,:,10,颗,计算高手,:,62348 41023 30082,80670 26030 70341,99999,（,1,）它的答案是几位数？,（,2,）他们算得对吗？,A,同学：,99999=98999,B,同学：,99999=99991,C,同学：,99999=98901,铺地锦,9,9,9,9,9,8,1,8,1,8,1,8,1,8,1,8,1,1,0,9,8,9,99999,=98901,1,8,1,8,1,8,1,6,2,3,4,8,1,2,0,8,2,4,2,4,1,6,4,8,4,0,9,9,2,62348=,29904,AAAAA=ABBA,A,和,B,分别代表几呢？,B,0,BAA=BBBB,A,和,B,分别代表几呢？,