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 (1938.7×10^3)/(0.993×20479.8×215)+(0.85×105×10^6)/(1.05×2865986.06×(1-(0.8×1938.7)/850840.82)×215) 的值.
题型:数学计算
解:
(1938.7×10^3)/(0.993×20479.8×215)+(0.85×105×10^6)/(1.05×2865986.06×(1-(0.8×1938.7)/850840.82)×215)
=1938700/(0.993×20479.8×215)+(0.85×105×10^6)/(1.05×2865986.06×(1-(0.8×1938.7)/850840.82)×215)
=1938700/4372334.901+(0.85×105×10^6)/(1.05×2865986.06×(1-(0.8×1938.7)/850840.82)×215)
=1938700/4372334.901+89250000/(1.05×2865986.06×(1-(0.8×1938.7)/850840.82)×215)
=1938700/4372334.901+89250000/(1.05×2865986.06×(1-1550.96/850840.82)×215)
=1938700/4372334.901+89250000/(1.05×2865986.06×0.998177×215)
=1938700/4372334.901+89250000/645816878.693345
=0.443402+89250000/645816878.693345
=0.443402+0.138197
=0.581599 答案:(1938.7×10^3)/(0.993×20479.8×215)+(0.85×105×10^6)/(1.05×2865986.06×(1-(0.8×1938.7)/850840.82)×215)=0.581599你的问题在这里没有得到解决?请到 热门难题 里面看看吧!