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 2/12%-8%*(1-(1+8%)^3/(1+12%)^3)+(2*(1+8%)^3*(1+4%)/(12%-4%))/(1+12%)^3 的值.
题型:数学计算
解:
2/12%-8%*(1-(1+8%)^3/(1+12%)^3)+(2*(1+8%)^3*(1+4%)/(12%-4%))/(1+12%)^3
=2/12%-8%*(1-1.08^3/(1+12%)^3)+(2*(1+8%)^3*(1+4%)/(12%-4%))/(1+12%)^3
=2/12%-8%*(1-1.08^3/1.12^3)+(2*(1+8%)^3*(1+4%)/(12%-4%))/(1+12%)^3
=2/12%-8%*0.103362+(2*(1+8%)^3*(1+4%)/(12%-4%))/(1+12%)^3
=2/12%-8%*0.103362+(2*1.08^3*(1+4%)/(12%-4%))/(1+12%)^3
=2/12%-8%*0.103362+(2*1.08^3*1.04/(12%-4%))/(1+12%)^3
=2/12%-8%*0.103362+(2*1.08^3*1.04/0.08)/(1+12%)^3
=2/12%-8%*0.103362+32.752512/(1+12%)^3
=2/12%-8%*0.103362+32.752512/1.12^3
=2/0.12-8%*0.103362+32.752512/1.12^3
=2/0.12-0.08*0.103362+32.752512/1.12^3
=2/0.12-0.08*0.103362+32.752512/1.404928
=16.666667-0.08*0.103362+32.752512/1.404928
=16.666667-0.008269+32.752512/1.404928
=16.666667-0.008269+23.312591
=16.658398+23.312591
=39.970989 答案:2/12%-8%*(1-(1+8%)^3/(1+12%)^3)+(2*(1+8%)^3*(1+4%)/(12%-4%))/(1+12%)^3=39.970989你的问题在这里没有得到解决?请到 热门难题 里面看看吧!