作业帮 > 数学 > 作业

计算6(7+1)(72+1)(74+1)(78+1)+1的值.

来源:学生作业帮 编辑:搜狗做题网作业帮 分类:数学作业 时间:2024/07/20 07:33:08
计算6(7+1)(72+1)(74+1)(78+1)+1的值.
计算6(7+1)(72+1)(74+1)(78+1)+1的值.
6(7+1)(72+1)(74+1)(78+1)+1,
=(7-1)(7+1)(72+1)(74+1)(78+1)+1,
=(72-1)(72+1)(74+1)(78+1)+1,
=(74-1)(74+1)(78+1)+1,
=(78-1)(78+1)+1,
=(716-1)+1,
=716