9.98*99+9.98怎么简算?
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/22 12:12:19
9.98*99+9.98怎么简算?
9.98*99+9.98怎么简算?
9.98*99+9.98怎么简算?
9.98*99+9.98
=9.98*(99+1)
=9.98*100
=998
原式=9.98*(99+1)=9.98*100=998
9.98*99+9.98怎么简算?
9.98*99+9.98怎么简算?
9.98*99+9.98怎么简算?
9.98*99+9.98
=9.98*(99+1)
=9.98*100
=998
原式=9.98*(99+1)=9.98*100=998