质数和合数 (3)

,单击此处编辑母版文本样式,第二级,2018/11/18 Sunday,#,单击此处编辑母版标题样式,认识,质数,与,合数,鄱阳,县凰岗镇神山学校,程伊枫,人教,版五年级下册第二单元,质数与合数,质数,合数,和,整数,2,不许撕,！,=1X2,1,2,2,=1X2,好少啊！,正方形太少？,多给一个,2,=1X2,多给一个,1,3,3,=1X2,再给,一个,4,4=1X4,1,4,2,=1X2,2,2,3,=1X2,4=1X4,1,4,2,2,=2X2,4=1X4,还是多一点好,2,=1X2,3=1X3,4=1X4,1,4,2,2,=2X2,5=1X5,还是多一点好,5,1,5=1X5,看来不是越多越好，,到底几个呢？,2,=1X2,3=1X3,4=1X4,1,4,2,2,=2X2,6=1X6,5=1X5,6=1X6,1,6,2,=1X2,3=1X3,4=1X4,1,4,2,2,=2X2,6=2X3,5=1X5,6=1X6,=2X3,2,3,2,=1X2,3=1X3,4=1X4,1,4,2,2,=2X2,8=1X8,5=1X5,6=1X6,=2X3,1,3,8=1X8,2,=1X2,3=1X3,4=1X4,1,4,2,2,=2X2,8=1X8,5=1X5,6=1X6,=2X3,2,4,=2X4,8=1X8,2,=1X2,3=1X3,4=1X4,1,4,2,2,=2X2,8=1X8,5=1X5,6=1X6,=2X3,1,9,=2X4,9=1X9,9=1X9,2,=1X2,3=1X3,4=1X4,=2X2,8=1X8,5=1X5,6=1X6,=2X3,3,3,=2X4,9=1X9,=3X3,2,=1X2,3=1X3,4=1X4,1,4,2,2,=2X2,8=1X8,5=1X5,6=1X6,=2X3,3,3,=2X4,10=1X10,9=1X9,=3X3,10=1X10,2,=1X2,3=1X3,4=1X4,1,4,2,2,=2X2,8=1X8,5=1X5,6=1X6,=2X3,2,5,=2X4,10=2X5,9=1X9,=3X3,10=1X10,=2X5,2,=1X2,3=1X3,4=1X4,1,4,2,2,=2X2,8=1X8,5=1X5,6=1X6,=2X3,1,12,=2X4,12=1X12,9=1X9,=3X3,10=1X10,=2X5,12=1X12,2,=1X2,3=1X3,4=1X4,1,4,2,2,=2X2,8=1X8,5=1X5,6=1X6,=2X3,2,6,=2X4,=2X6,9=1X9,=3X3,10=1X10,=2X5,12=1X12,12=1X12,2,=1X2,3=1X3,4=1X4,1,4,2,2,=2X2,8=1X8,5=1X5,6=1X6,=2X3,4,3,=2X4,9=1X9,=3X3,10=1X10,=2X5,=1X12,12=1X12,=3X4,12=1X12,2,=1X2,3=1X3,4=1X4,1,4,2,2,=2X2,8=1X8,5=1X5,6=1X6,=2X3,1,7,=2X4,9=1X9,=3X3,10=1X10,=2X5,=2X6,12=1X12,=3X4,7,13,11,=1X7,=1X13,=1X11,=1X13,1,11,1,13,2,=1X2,3=1X3,4=1X4,1,4,2,2,=2X2,8=1X8,5=1X5,6=1X6,=2X3,=2X4,9=1X9,=3X3,10=1X10,=2X5,=2X6,12=1X12,=3X4,7,13,11,=1X7,=1X13,=1X11,=1X13,质数,合数,2=1X2,3=1X3,1,4,2,2,4=1X4,=2X2,5=1X5,6=1X6,=2X3,8=1X8,=2X4,9=1X9,=3X3,10=1X10,=2X5,=2X6,12=1X12,=3X4,7,=1X7,=1X13,11,=1X11,13,=1X13,质数,1,乘以,自己,合数,别的,乘法算式,只能,分解,还,能,分解为,=,2,X1.5,1,既不是,也不是,质因数分解,THANKS,谢谢观赏,YourName,