30.8/(14-10.97)= 简便计算_数学解答

30.8/(14-10.97)= 简便计算

人气：331 ℃　时间：2020-03-31 02:58:08

解答

30.8/(14-10.97)
= 30.8/3.03
= 3080/303
= (3030+50)/303
= 10 + 50/303
= 10 又50/303