9.98*99+9.98怎么简算?
问题描述:
9.98*99+9.98怎么简算?
答
9.98*99+9.98
=9.98*(99+1)
=9.98*100
=998
9.98*99+9.98怎么简算?
9.98*99+9.98
=9.98*(99+1)
=9.98*100
=998