9乘以0.6等于多少?99乘以9.6呢?2000个9乘以1999个9 .6呢?

问题描述:

9乘以0.6等于多少?99乘以9.6呢?2000个9乘以1999个9 .6呢?

54 950.4 345427200

5.4,950.4,345427200

5.4,950.4,95然后1998个9然后0.4