简便计算:74^2-26^2
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/31 04:39:50
简便计算:74^2-26^2
74^2-26^2
=(74+26)(74-26)
=100x48
=4800
74^2-26^2
=(74+26)(74-26)
=100×48
=4800
简便计算:74^2-26^2
74^2-26^2
=(74+26)(74-26)
=100x48
=4800
74^2-26^2
=(74+26)(74-26)
=100×48
=4800