2.6 练习五1.9937 2.125(1008)3.103584.125885. 10285 6.7812897878 答案:1. 9937 (1001)37 10037137 370037 36632.125(1008)1251001258125001000115003.10358(100+3)5810058358580017459744.12588125(808)125801258100001000110005. 10285(1002)851008528585001708650 6.7812897878 78(12891)781007800