
7.36×9.7-73.6×0.84简便运算?
3个回答
展开全部
解:该算式的简便运算如下
7.36×9.7-73.6×0.84
=7.36×9.7-7.36×10×0.84
=7.36×9.7-7.36×8.4
=7.36×(9.7-8.4)
=7.36×1.3
=(10-2.64)×(1+0.3)
=(10-2.64)×1+(10-2.64)×0.3
=10-2.64+10×0.3-2.64×0.3
=10-2.64+3-0.792
=10+(3-2.64)-0.792
=10+(0.36-0.792)
=10-0.432
=9.568
7.36×9.7-73.6×0.84
=7.36×9.7-7.36×10×0.84
=7.36×9.7-7.36×8.4
=7.36×(9.7-8.4)
=7.36×1.3
=(10-2.64)×(1+0.3)
=(10-2.64)×1+(10-2.64)×0.3
=10-2.64+10×0.3-2.64×0.3
=10-2.64+3-0.792
=10+(3-2.64)-0.792
=10+(0.36-0.792)
=10-0.432
=9.568

2023-08-25 广告
"整定计算的工作步骤,大致如下:1.确定整定方案所适应的系统情况。2.与调度部门共同确定系统的各种运行方式。3.取得必要的参数与资料(保护图纸,设备参数等)。4.结合系统情况,确定整定计算的具体原则。5.进行短路计算。6.进行保护的整定计算...
点击进入详情页
本回答由北京埃德思远电气技术咨询有限公司提供
展开全部
7.36×9.7-73.6×0.84
=73.6×0.97-73.6×0.84
=73.6×(0.97-0.84)
=73.6×0.13
=9.568
=73.6×0.97-73.6×0.84
=73.6×(0.97-0.84)
=73.6×0.13
=9.568
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
7.36×9.7-73.6×0.84
=7.36×9.7-7.36×10×0.84
=7.36×(9.7-10×0.84)
=7.36×(9.7-8.4)
=7.36×1.3
=9.568
=7.36×9.7-7.36×10×0.84
=7.36×(9.7-10×0.84)
=7.36×(9.7-8.4)
=7.36×1.3
=9.568
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