15.6×13.1-15点6×21简便计算?
2个回答
展开全部
15.6×13.1-15.6×21
=15.6×(13.1-21)
=15.6×(逗陵-7.9)拿指樱
=-15.6×(8-0.1)消丛
=-(15.6×8-15.6×0.1)
=-(124.8-1.56)
=-123.24
=15.6×(13.1-21)
=15.6×(逗陵-7.9)拿指樱
=-15.6×(8-0.1)消丛
=-(15.6×8-15.6×0.1)
=-(124.8-1.56)
=-123.24
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