66.7×66.6+222×9.99用简便方法计算?
展开全部
简便计算过程如下
22.2×99.9+66.6×66.7
=22.2×3×33.3+66.6×66.7
=66.6×33.3+66.6×66.7
=66.6×(33.3+66.7)
=66.6×100
=6660
22.2×99.9+66.6×66.7
=22.2×3×33.3+66.6×66.7
=66.6×33.3+66.6×66.7
=66.6×(33.3+66.7)
=66.6×100
=6660
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询