(1+0.23+0.34)×(0.23+0.34+0.45)-(1+0.23+0.34+0.45)×(0.23+0.34) 我来答 1个回答 #热议# 空调使用不当可能引发哪些疾病? 舒适还明净的海鸥i 2022-05-31 · TA获得超过1.7万个赞 知道小有建树答主 回答量:380 采纳率:0% 帮助的人:68.9万 我也去答题访问个人页 关注 展开全部 (1+0.23+0.34)*(0.23+0.34+0.45)-(1+0.23+0.34+0.45)*(0.23+0.34) 令a=0.23+0.34 b=0.23+0.34+0.45 b-a=0.45 原式=(1+a)*b-(1+b)*a =b+ab-a-ab =b-a =0.45 已赞过 已踩过< 你对这个回答的评价是? 评论 收起 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 其他类似问题 2022-06-16 (0.12+0.23+0.34)×(0.23+0.34+0.45)-(0.12+0.23+0.34+0.45)×(0.23+0.34)=______. 2022-10-03 (1+0.23+0.34)×(0.23+0.34+0.65)-(1+0.23+0.34+0.65) 2022-06-23 计算:(1+0.23+0.34)×(0.23+0.34+0.65)-(1+0.23+0.34+0.65)×(0.23+0.34) 2022-08-24 (1+0.12+0.23)×(0.12+0.23+0.34)-(1+0.12+0.23+0.34)×(0.12+0.23)=______. 2022-07-03 (1+0.12+0.23)×(0.12+0.23+0.34)-(1+0.12+0.23+0.34)×(0.12+0.23)=______. 2021-06-27 (1+0.33+0.44)*(0.33+0.44+0.55) 2014-08-29 (1+0.23+0.34)×(0.23+0.34+0.56)-(1+0.23+0.34+0.56)×(0.23+0.34) 18 2012-04-10 (1+0.23+0.34)*(0.23+0.34+0.65)-(1+0.23+0.34+0.65)*(0.23+0.34) 7 为你推荐: