9.88*99+9.88 简便运算
问题描述:
9.88*99+9.88 简便运算
答
9.88*99+9.88
=9.88(99+1)
=9.88*100
=988
9.88*99+9.88 简便运算
9.88*99+9.88
=9.88(99+1)
=9.88*100
=988