总述:本次共解1题。其中
☆算术计算1题
〖1/1算式〗
作业:求算式 (638.1×10^3)/(0.997×31730.1×215)+(0.999×15.6×10^6)/(1.15×7934076.85×(1-(0.8×638.1)/1215794.23)×215) 的值.
题型:数学计算
解:
(638.1×10^3)/(0.997×31730.1×215)+(0.999×15.6×10^6)/(1.15×7934076.85×(1-(0.8×638.1)/1215794.23)×215)
=638100/(0.997×31730.1×215)+(0.999×15.6×10^6)/(1.15×7934076.85×(1-(0.8×638.1)/1215794.23)×215)
=638100/6801505.5855+(0.999×15.6×10^6)/(1.15×7934076.85×(1-(0.8×638.1)/1215794.23)×215)
=638100/6801505.5855+15584400/(1.15×7934076.85×(1-(0.8×638.1)/1215794.23)×215)
=638100/6801505.5855+15584400/(1.15×7934076.85×(1-510.48/1215794.23)×215)
=638100/6801505.5855+15584400/(1.15×7934076.85×0.99958×215)
=638100/6801505.5855+15584400/1960876586.951915
=0.093817+15584400/1960876586.951915
=0.093817+0.007948
=0.101765 答案:(638.1×10^3)/(0.997×31730.1×215)+(0.999×15.6×10^6)/(1.15×7934076.85×(1-(0.8×638.1)/1215794.23)×215)=0.101765你的问题在这里没有得到解决?请到 热门难题 里面看看吧!