数学简便运算:73×23/72=
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/16 10:05:02
数学简便运算:73×23/72=
数学简便运算:73×23/72=
数学简便运算:73×23/72=
73×23/72
=(72+1)×23/72
=72×23/72+23/72
=23+23/72
=23又72分之23
数学简便运算:73×23/72=
数学简便运算:73×23/72=
数学简便运算:73×23/72=
73×23/72
=(72+1)×23/72
=72×23/72+23/72
=23+23/72
=23又72分之23