8*758²-258²*8
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/05/31 01:12:32
8*758²-258²*8
8×758²-258²×8
=8×(758²-258²)
=8×(758-258)(758+258)
=8×500×1016
=4000×1016
=4064000
=8×(758²-258²)
=8×(758-258)(758+258)
=8×500×1016
=4000×1016
=4064000