2.7×5.4×3.9怎么简便计算?
=(2.7-2)×(5.40.1)×(3.90.1)=2.5×5.4×4=2.5×4×5.4=10×5.4=5.4...
=(2.7-2)×(5.4 0.1)×(3.9 0.1
)
=2.5×5.4×4
=2.5×4×5.4
=10×5.4
=5.4 展开
)
=2.5×5.4×4
=2.5×4×5.4
=10×5.4
=5.4 展开
2个回答
展开全部
=5.4×(4-0.1)×2.7
=(5.4×4-5.4×0.1)×2.7
=21.06×2.7
=21.06×3-21.06×0.3
=63.18-6.318
=56.862
=(5.4×4-5.4×0.1)×2.7
=21.06×2.7
=21.06×3-21.06×0.3
=63.18-6.318
=56.862
本回答被提问者采纳
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
广告 您可能关注的内容 |