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 (7.5×10^3)/(0.867×453×215)+(0.6×0.6×10^6)/(1.15×4797×(1-(0.8×7.5)/212.78)×215) 的值.
题型:数学计算
解:
(7.5×10^3)/(0.867×453×215)+(0.6×0.6×10^6)/(1.15×4797×(1-(0.8×7.5)/212.78)×215)
=7500/(0.867×453×215)+(0.6×0.6×10^6)/(1.15×4797×(1-(0.8×7.5)/212.78)×215)
=7500/84441.465+(0.6×0.6×10^6)/(1.15×4797×(1-(0.8×7.5)/212.78)×215)
=7500/84441.465+360000/(1.15×4797×(1-(0.8×7.5)/212.78)×215)
=7500/84441.465+360000/(1.15×4797×(1-6/212.78)×215)
=7500/84441.465+360000/(1.15×4797×0.971802×215)
=7500/84441.465+360000/1152613.779445
=0.088819+360000/1152613.779445
=0.088819+0.312334
=0.401153 答案:(7.5×10^3)/(0.867×453×215)+(0.6×0.6×10^6)/(1.15×4797×(1-(0.8×7.5)/212.78)×215)=0.401153你的问题在这里没有得到解决?请到 热门难题 里面看看吧!