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/(440^2-150^2)*ln(468/440))-770*2*150^2/(440^2-150^2) 的值.
题型:数学计算
解:
1350*(1+2*150*150/(440^2-150^2)*ln(468/440))-770*2*150^2/(440^2-150^2)
=1350*(1+2*150*150/171100*ln(468/440))-770*2*150^2/(440^2-150^2)
=1350*(1+2*150*150/171100*ln1.063636)-770*2*150^2/(440^2-150^2)
=1350*1.016226-770*2*150^2/(440^2-150^2)
=1350*1.016226-770*2*150^2/171100
=1350*1.016226-770*2*22500/171100
=1371.9051-770*2*22500/171100
=1371.9051-1540*22500/171100
=1371.9051-34650000/171100
=1371.9051-202.51315
=1169.39195 答案:1350*(1+2*150*150/(440^2-150^2)*ln(468/440))-770*2*150^2/(440^2-150^2)=1169.39195你的问题在这里没有得到解决?请到 热门难题 里面看看吧!