0.57×1.9+5.7×0.81等于多少简便计算?
4个回答
展开全部
0.57*1.9+5.7*0.81
=5.7*0.19+5.7*0.81
=5.7*(0.19+0.81)
=5.7*1
=5.7
=5.7*0.19+5.7*0.81
=5.7*(0.19+0.81)
=5.7*1
=5.7
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
2020-04-24
展开全部
具体做法如下:
0.57×1.9+5.7×0.81
=5.7×0.19+5.7×0.81
=5.7×(0.19+0.81)
=5.7×1
=5.7
0.57×1.9+5.7×0.81
=5.7×0.19+5.7×0.81
=5.7×(0.19+0.81)
=5.7×1
=5.7
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
0.57×1.9+5.7×0.81
=0.57×1.9+0.57×10×0.81
=0.57×1.9+0.57×8.1
=0.57×(1.9+8.1)
=0.57×10
=5.7
=0.57×1.9+0.57×10×0.81
=0.57×1.9+0.57×8.1
=0.57×(1.9+8.1)
=0.57×10
=5.7
本回答被网友采纳
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