计算：758²-258²

来源：学生作业学帮网编辑：学帮网时间：2024/05/26 13:36:40

计算：758²-258²

=（758+258）×(758-258)
=1016×500
=508000

(758-258)(758+258)
=500*1016
=508000

758²-258²
=（758+258）x（758-258）
= 1016x500
= 508000