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 (143.9×10^3)/(0.997×4851.9×215)+(0.85×2.4×10^6)/(1.15×401449.28×(1-(0.8×143.9)/370472.45)×215) 的值.
题型:数学计算
解:
(143.9×10^3)/(0.997×4851.9×215)+(0.85×2.4×10^6)/(1.15×401449.28×(1-(0.8×143.9)/370472.45)×215)
=143900/(0.997×4851.9×215)+(0.85×2.4×10^6)/(1.15×401449.28×(1-(0.8×143.9)/370472.45)×215)
=143900/1040029.0245+(0.85×2.4×10^6)/(1.15×401449.28×(1-(0.8×143.9)/370472.45)×215)
=143900/1040029.0245+2040000/(1.15×401449.28×(1-(0.8×143.9)/370472.45)×215)
=143900/1040029.0245+2040000/(1.15×401449.28×(1-115.12/370472.45)×215)
=143900/1040029.0245+2040000/(1.15×401449.28×0.999689×215)
=143900/1040029.0245+2040000/99227465.137975
=0.138362+2040000/99227465.137975
=0.138362+0.020559
=0.158921 答案:(143.9×10^3)/(0.997×4851.9×215)+(0.85×2.4×10^6)/(1.15×401449.28×(1-(0.8×143.9)/370472.45)×215)=0.158921你的问题在这里没有得到解决?请到 热门难题 里面看看吧!