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 8.314×1623.15×(0.48×ln(0.48/0.98)+0.5×ln(0.5/0.98)-0.5×ln(0.5/0.99)-0.49×ln(0.49/0.99))+663.318 的值.
题型:数学计算
解:
8.314×1623.15×(0.48×ln(0.48/0.98)+0.5×ln(0.5/0.98)-0.5×ln(0.5/0.99)-0.49×ln(0.49/0.99))+663.318
=8.314×1623.15×(0.48×ln0.489796+0.5×ln(0.5/0.98)-0.5×ln(0.5/0.99)-0.49×ln(0.49/0.99))+663.318
=8.314×1623.15×(0.48×ln0.489796+0.5×ln0.510204-0.5×ln(0.5/0.99)-0.49×ln(0.49/0.99))+663.318
=8.314×1623.15×(0.48×ln0.489796+0.5×ln0.510204-0.5×ln0.505051-0.49×ln(0.49/0.99))+663.318
=8.314×1623.15×(0.48×ln0.489796+0.5×ln0.510204-0.5×ln0.505051-0.49×ln0.494949)+663.318
=8.314×1623.15×0.007084+663.318
=13494.8691×0.007084+663.318
=95.597653+663.318
=758.915653 答案:8.314×1623.15×(0.48×ln(0.48/0.98)+0.5×ln(0.5/0.98)-0.5×ln(0.5/0.99)-0.49×ln(0.49/0.99))+663.318=758.915653你的问题在这里没有得到解决?请到 热门难题 里面看看吧!