两位数乘一位数的积最大是几位数

Question

如题所述

Answer 1

郭敦荣回答：
最大是3位数，如：
99×9=891，这是两位数乘一位数的积的最大的3位数，100是最小积的3位数。

Answer 2

四位数，比如：9.99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999……*99.99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999……=1000