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 (254×10^3)/(0.997×4851.9×215)+(1.0×5.5×10^6)/(1.15×401449.28×(1-(0.8×254)/467452.94)×215) 的值.
题型:数学计算
解:
(254×10^3)/(0.997×4851.9×215)+(1.0×5.5×10^6)/(1.15×401449.28×(1-(0.8×254)/467452.94)×215)
=254000/(0.997×4851.9×215)+(1.0×5.5×10^6)/(1.15×401449.28×(1-(0.8×254)/467452.94)×215)
=254000/1040029.0245+(1.0×5.5×10^6)/(1.15×401449.28×(1-(0.8×254)/467452.94)×215)
=254000/1040029.0245+5500000/(1.15×401449.28×(1-(0.8×254)/467452.94)×215)
=254000/1040029.0245+5500000/(1.15×401449.28×(1-203.2/467452.94)×215)
=254000/1040029.0245+5500000/(1.15×401449.28×0.999565×215)
=254000/1040029.0245+5500000/99215157.10457
=0.244224+5500000/99215157.10457
=0.244224+0.055435
=0.299659 答案:(254×10^3)/(0.997×4851.9×215)+(1.0×5.5×10^6)/(1.15×401449.28×(1-(0.8×254)/467452.94)×215)=0.299659你的问题在这里没有得到解决?请到 热门难题 里面看看吧!