简便计算3.14 X0.68十31.4X0.032?
143个回答
展开全部
3.14x0.68+31.4x0.032简便运算:
3.14x0.68+31.4x0.032
=3.14×0.68+31.4÷10×(0.032×10)
=3.14×0.68+3.14×0.32
=3.14×(0.68+0.32)
=3.14
3.14x0.68+31.4x0.032
=3.14×0.68+31.4÷10×(0.032×10)
=3.14×0.68+3.14×0.32
=3.14×(0.68+0.32)
=3.14
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
3.14x0.68+31.4x0.032
=3.14x0.68+3.14x0.32
=3.14x(0.68+0.32)
=3.14x1
=3.14
=3.14x0.68+3.14x0.32
=3.14x(0.68+0.32)
=3.14x1
=3.14
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
可以先将31.4化成3.14×10,然后再提取3.14就可以了,步聚如下:
3.14×0.68+31.4×0.032
=3.14×0.68+3.14×10×0.032
=3.14×0.68+3.14×0.32
=3.14×(0.68+0.32)
=3.14×1
=3.14
3.14×0.68+31.4×0.032
=3.14×0.68+3.14×10×0.032
=3.14×0.68+3.14×0.32
=3.14×(0.68+0.32)
=3.14×1
=3.14
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
3.14×0.68+31.4×0.032=3.14×(0.68+0.32)=3.14×(0.68+0.32)=3.14×1=3.14 根据乘法分配率
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
3.14x0.68+31.4x0.032
=3.14x0.68+3.14x10x0.032
=3.14x(0.68+10x0.032)
=3.14x(0.68+0.32)
=3.14x1
=3.14
=3.14x0.68+3.14x10x0.032
=3.14x(0.68+10x0.032)
=3.14x(0.68+0.32)
=3.14x1
=3.14
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