99×3\14简便算法
问题描述:
99×3\14简便算法
答
=(98+1)x3/14
=7x3+3/14
=21+3/14
=297/14
99×3\14简便算法
=(98+1)x3/14
=7x3+3/14
=21+3/14
=297/14