3.14×3.4+31.4×0.44+0.314×13,简便计算,大神们帮帮我!
34个回答
2021-09-20
展开全部
首先把3.14,31.4,0.314都化解成一样的数,比如化解成3.14,这样原式就是3.14×3.4+3.14×4.4+3.14×1.3=3.14×(3.4+4.4+1.3)=3.14×9.1=28.574
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
3.14×3.4+31.4×0.44+0.314×13
=3.14×3.4+3.14×4.4+3.14×1.3
=3.14×(3.4+4.4+1.3)
=3.14×9.1
=28.574
=3.14×3.4+3.14×4.4+3.14×1.3
=3.14×(3.4+4.4+1.3)
=3.14×9.1
=28.574
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*3.4+31.4*0.44+0.314*13
=3.14*3.4+3.14*10*0.44+3.14*0.1*13
=3.14*(3.4+10*0.44+0.1*13)
=3.14*(3.4+4.4+1.3)
=3.14*9.1
=28.574
=3.14*3.4+3.14*10*0.44+3.14*0.1*13
=3.14*(3.4+10*0.44+0.1*13)
=3.14*(3.4+4.4+1.3)
=3.14*9.1
=28.574
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
3.14x3.4+31.4x0.44+0.314×13
=3.14x3.4+(3.14x10)x0.44+0.314x(10x1.3)
=3.14x3.4+3.14Ⅹ(10Ⅹ0.44)+(0.314x10)x1.3
=3.14x3.4+3.14x4.4+3.14x1.3
=3.14×(3.4+4.4+1.3)
=3.14×9.1
=3.14×(9+0.1)
=3.14×9十3.14Ⅹ0.1
=28.26+0.314
=28.574
=3.14x3.4+(3.14x10)x0.44+0.314x(10x1.3)
=3.14x3.4+3.14Ⅹ(10Ⅹ0.44)+(0.314x10)x1.3
=3.14x3.4+3.14x4.4+3.14x1.3
=3.14×(3.4+4.4+1.3)
=3.14×9.1
=3.14×(9+0.1)
=3.14×9十3.14Ⅹ0.1
=28.26+0.314
=28.574
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