8.2 × 3.1 用竖式计算
{得数保留一位小数}
0.488×5.33.77×2.13.77×2.16.03 ×11.6 8.2× 31.
{得数保留两位小数}
4.376×2.5 8.06×0.350.49×0.5432.7×0.25
{得数保留3位小数}
1.764×0.233.14×6.2520.48 ×0.5432.7×0.25
用竖式计算