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/(427^2-150^2)*ln(468/427))-770*2*150^2/(427^2-150^2) 的值.
题型:数学计算
解:
1350*(1+2*150*150/(427^2-150^2)*ln(468/427))-770*2*150^2/(427^2-150^2)
=1350*(1+2*150*150/159829*ln(468/427))-770*2*150^2/(427^2-150^2)
=1350*(1+2*150*150/159829*ln1.096019)-770*2*150^2/(427^2-150^2)
=1350*1.025814-770*2*150^2/(427^2-150^2)
=1350*1.025814-770*2*150^2/159829
=1350*1.025814-770*2*22500/159829
=1384.8489-770*2*22500/159829
=1384.8489-1540*22500/159829
=1384.8489-34650000/159829
=1384.8489-216.794199
=1168.054701 答案:1350*(1+2*150*150/(427^2-150^2)*ln(468/427))-770*2*150^2/(427^2-150^2)=1168.054701你的问题在这里没有得到解决?请到 热门难题 里面看看吧!