小学数学人教版四年级下册教学4单元小数的意义和性质12课时整理和复习

www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com巩固练习二教材P57T1 www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com4.51.650.8巩固练习二教材P57T2 www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com23500.4413542000011.034巩固练习二教材P57T3 www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com4.在（）里填上适当的数。0.2525扩大到原数的（）倍0.001（）扩大到原数的100倍1000.1巩固练习二教材P57T4 www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com巩固练习二4.在（）里填上适当的数。30.53.05缩小到原数的1（）15.30.153缩小到原数的1（）10100教材P57T4 www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com巩固练习二5.下面说法正确吗？正确的画“√”，错误的画“×”。（2）3.007保留一位小数是3.0。（3）0.1000大于0.0999。（4）按照“四舍五入”法，近似数为5.20的最大的三位小数是5.204。（1）0.05里面有5个。110（×）（√）（√）（√）教材P58T5