用简便方法计算:2.47-1.67+3.53

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/22 05:49:04
用简便方法计算:2.47-1.67+3.53用简便方法计算:2.47-1.67+3.53用简便方法计算:2.47-1.67+3.53(2-1.67)+(0.47+3.53)=0.33+4

用简便方法计算:2.47-1.67+3.53
用简便方法计算:2.47-1.67+3.53

用简便方法计算:2.47-1.67+3.53
(2-1.67)+(0.47+3.53)=0.33+4