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 (209×10^3)/(0.972×10239.9×215)+(0.85×12.5×10^6)/(1.05×401449×(1-(0.8×209)/33161.77)×215) 的值.
题型:数学计算
解:
(209×10^3)/(0.972×10239.9×215)+(0.85×12.5×10^6)/(1.05×401449×(1-(0.8×209)/33161.77)×215)
=209000/(0.972×10239.9×215)+(0.85×12.5×10^6)/(1.05×401449×(1-(0.8×209)/33161.77)×215)
=209000/2139934.302+(0.85×12.5×10^6)/(1.05×401449×(1-(0.8×209)/33161.77)×215)
=209000/2139934.302+10625000/(1.05×401449×(1-(0.8×209)/33161.77)×215)
=209000/2139934.302+10625000/(1.05×401449×(1-167.2/33161.77)×215)
=209000/2139934.302+10625000/(1.05×401449×0.994958×215)
=209000/2139934.302+10625000/90170169.852535
=0.097667+10625000/90170169.852535
=0.097667+0.117833
=0.2155 答案:(209×10^3)/(0.972×10239.9×215)+(0.85×12.5×10^6)/(1.05×401449×(1-(0.8×209)/33161.77)×215)=0.2155你的问题在这里没有得到解决?请到 热门难题 里面看看吧!