246乘123369分之321963减321乘642321分之246123
问题描述:
246乘123369分之321963减321乘642321分之246123
要有算式的撒
答
246*321963/123369-321*246123/642321
=2*123*321*1003/(123*1003)-321*123*2001/(321*2001)
=2*321-123
=519