0.25x8.1十0.5x1.2一0.75X1.5怎么做?
4个回答
展开全部
0.25×8.1+0.5×1.2-0.75×1.5
=0.25×8.1+0.25×2×1.2-0.25×3×1.5
=0.25×8.1+0.25×2.4-0.25×4.5
=0.25×(8.1+2.4-4.5)
=0.25×6
=0.25×2×3
=0.5×3
=1.5
=0.25×8.1+0.25×2×1.2-0.25×3×1.5
=0.25×8.1+0.25×2.4-0.25×4.5
=0.25×(8.1+2.4-4.5)
=0.25×6
=0.25×2×3
=0.5×3
=1.5
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
0.25×8.1+0.5×1.2-0.75×1.5
=0.25×8.1+0.25×2×1.2-0.25×3×1.5
=0.25×8.1+0.25×2.4-0.24×4.5
=0.25×(8.1+2.4-4.5)
=0.25×6
=1.5
=0.25×8.1+0.25×2×1.2-0.25×3×1.5
=0.25×8.1+0.25×2.4-0.24×4.5
=0.25×(8.1+2.4-4.5)
=0.25×6
=1.5
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?
展开全部
原式=1.5*(0.5*2.7+0.4-0.75)
=1.5*(1.35+0.4-0.75)
=1.5*1
=1.5
=1.5*(1.35+0.4-0.75)
=1.5*1
=1.5
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 |