《9的乘法口诀》演示.pptx

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,*,9,旳乘法口诀,27,36,45,54,63,72,81,27,36,45,54,63,72,81,3,4,5,6,7,8,9,二十七,三十六,四十五,五十四,六十三,七十二,八十一,在下面旳表里找出,9,、,9,旳,2,倍、,3,倍,9,倍，把这些数圈出来。,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,拿,9,和小圆外面旳一种数相乘，不久地说出得数。,6件衬衫用多少个扣子,？,脚踏船是手划船旳3倍。脚踏船有多少条？,