西师大版四年级下册数学第二单元 2.6 练习五 同步练习题.docx
1.9937 2.125(1008)3.103584.125885. 102856.7812897878 答案:1. 9937(1001)371003713737003736632.125(1008)1251001258125001000115003.10358(100+3)5810058358580017459744.12588125(808)125801258100001000110005. 10285(1002)8510085285850017086506.7812897878 78(12891)781007800