-
最佳答案:0.86×72.14×620.375×121.8×3950.45×1081.056×251.8×230.37×0.41.06×257×0.860.6×0.391
-
最佳答案:3.8+1.2 1.5x8 0.3x101 1.2x0.5 0.84/6 .9x.45 1.25x8 9.6/1.6 68-4.4x =24x/4.5=1.2