131+132+133+134+135=_×_=_.
问题描述:
131+132+133+134+135=______×______=______.
答
131+132+133+134+135,
=(133-2)+(133-1)+133+(133+1)+(133+2),
=(133+133+133+133+133)+(2-2+1-1),
=133+133+133+133+133,
=133×5,
=665;
故答案为:133,5,665.