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/(375^2-150^2)*ln(468/375))-770*2*150^2/(375^2-150^2) 的值.
题型:数学计算
解:
1350*(1+2*150*150/(375^2-150^2)*ln(468/375))-770*2*150^2/(375^2-150^2)
=1350*(1+2*150*150/118125*ln(468/375))-770*2*150^2/(375^2-150^2)
=1350*(1+2*150*150/118125*ln1.248)-770*2*150^2/(375^2-150^2)
=1350*1.084397-770*2*150^2/(375^2-150^2)
=1350*1.084397-770*2*150^2/118125
=1350*1.084397-770*2*22500/118125
=1463.93595-770*2*22500/118125
=1463.93595-1540*22500/118125
=1463.93595-34650000/118125
=1463.93595-293.333333
=1170.602617 答案:1350*(1+2*150*150/(375^2-150^2)*ln(468/375))-770*2*150^2/(375^2-150^2)=1170.602617你的问题在这里没有得到解决?请到 热门难题 里面看看吧!