10.1*4.26-42.6怎么简算 12.5*108怎么简算3.8*1.96-3.8*0.96怎么简算求大神帮助
问题描述:
10.1*4.26-42.6怎么简算 12.5*108怎么简算3.8*1.96-3.8*0.96怎么简算求大神帮助
答
10.1*4.26-42.6 =4.26×10.1-4.26×10 =4.26×(10.1-10) =4.26×0.1 =0.426