A-A+ 用简便方法计算．0.3×2.5×0.40.78×1012.5×（8＋0.4）1.25×0.7×0.89.8×2.550.8×101－50.84.6×99＋4.60.25×32×0.125 2021-08-30 12:18:23 学历考试 阅读 问题详情 用简便方法计算．0.3×2.5×0.40.78×1012.5×（8+0.4）1.25×0.7×0.89.8×2.550.8×101-50.84.6×99+4.60.25×32×0.12538.2×8+61.8×8． 参考答案 查看解答
