用简便的方法计算下面各题2.96.7+2.3+2.9 6.72102-6720.02 2.5321.255.85.8+0.5842 36.7599+36.75 1.79*99+17.9

分类: 作业答案 • 2022-02-14 22:41:01

问题描述：

用简便的方法计算下面各题2.9*6.7+2.3+2.9 6.72*102-672*0.02 2.5*32*1.25
5.8*5.8+0.58*42 36.75*99+36.75 1.79*99+17.9

答

用简便的方法计算下面各题2.9*6.7+2.3+2.9 6.72*102-672*0.02 2.5*32*1.255.8*5.8+0.58*42 36.75*99+36.75 1.79*99+17.9