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 (309.9×10^3)/(0.970×7916×215)+(0.93×4.0×10^6)/(1.15×819724.71×(1-(0.8×309.9)/23598.3)×215) 的值.
题型:数学计算
解:
(309.9×10^3)/(0.970×7916×215)+(0.93×4.0×10^6)/(1.15×819724.71×(1-(0.8×309.9)/23598.3)×215)
=309900/(0.970×7916×215)+(0.93×4.0×10^6)/(1.15×819724.71×(1-(0.8×309.9)/23598.3)×215)
=309900/1650881.8+(0.93×4.0×10^6)/(1.15×819724.71×(1-(0.8×309.9)/23598.3)×215)
=309900/1650881.8+3720000/(1.15×819724.71×(1-(0.8×309.9)/23598.3)×215)
=309900/1650881.8+3720000/(1.15×819724.71×(1-247.92/23598.3)×215)
=309900/1650881.8+3720000/(1.15×819724.71×0.989494×215)
=309900/1650881.8+3720000/200547610.67309
=0.187718+3720000/200547610.67309
=0.187718+0.018549
=0.206267 答案:(309.9×10^3)/(0.970×7916×215)+(0.93×4.0×10^6)/(1.15×819724.71×(1-(0.8×309.9)/23598.3)×215)=0.206267你的问题在这里没有得到解决?请到 热门难题 里面看看吧!