98*35怎么简便计算
问题描述:
98*35怎么简便计算
答
98x35
=(100-2)x35
=100x35-2x35
=3500-70
=3430
98*35怎么简便计算
98x35
=(100-2)x35
=100x35-2x35
=3500-70
=3430