(70+1/68)*1/69怎么简算

日期:2021-06-03 02:33:19 人气:1

(70+1/68)*1/69怎么简算

(70+1/68)*1/69
=(69+69/68)*1/69
=69*1/69+69/68*1/69
=1+1/68
=69/68
    A+
热门评论