-4.41×0.59+0.41×1.59用简便方法怎么做

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/25 16:45:40
-4.41×0.59+0.41×1.59用简便方法怎么做
x)531<<@R42OY|]Ó}Mlg }Ovv

-4.41×0.59+0.41×1.59用简便方法怎么做
-4.41×0.59+0.41×1.59用简便方法怎么做

-4.41×0.59+0.41×1.59用简便方法怎么做
-4.41×0.59+0.41×1.59
=-4.41×(1-0.41)+0.41×1.59
=-4.41×1+4.41×0.41+0.41×1.59
=-4.41+(4.41+1.59)×0.41
=-4-0.41+6×0.41
=-4+(6-1)×0.41
=-4+5×0.41
=-4+2.05
=-1.95