98乘97分之5 用简便
问题描述:
98乘97分之5 用简便
答
98×5/97
=(97+1)×5/97
=5+5/97
=5又5/97
98乘97分之5 用简便
98×5/97
=(97+1)×5/97
=5+5/97
=5又5/97