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 1350*(1+2*150*150/(414^2-150^2)*ln(468/414))-770*2*150^2/(414^2-150^2) 的值.
题型:数学计算
解:
1350*(1+2*150*150/(414^2-150^2)*ln(468/414))-770*2*150^2/(414^2-150^2)
=1350*(1+2*150*150/148896*ln(468/414))-770*2*150^2/(414^2-150^2)
=1350*(1+2*150*150/148896*ln1.130435)-770*2*150^2/(414^2-150^2)
=1350*1.037054-770*2*150^2/(414^2-150^2)
=1350*1.037054-770*2*150^2/148896
=1350*1.037054-770*2*22500/148896
=1400.0229-770*2*22500/148896
=1400.0229-1540*22500/148896
=1400.0229-34650000/148896
=1400.0229-232.712766
=1167.310134 答案:1350*(1+2*150*150/(414^2-150^2)*ln(468/414))-770*2*150^2/(414^2-150^2)=1167.310134你的问题在这里没有得到解决?请到 热门难题 里面看看吧!