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*(1+8%)/4%*(1-(1+8%)^3/(1+12%)^3)+((2*(1+8%)^3*(1+4%)/8%))/(1+12%)^3 的值.
题型:数学计算
解:
2*(1+8%)/4%*(1-(1+8%)^3/(1+12%)^3)+((2*(1+8%)^3*(1+4%)/8%))/(1+12%)^3
=2*1.08/4%*(1-(1+8%)^3/(1+12%)^3)+((2*(1+8%)^3*(1+4%)/8%))/(1+12%)^3
=2*1.08/4%*(1-1.08^3/(1+12%)^3)+((2*(1+8%)^3*(1+4%)/8%))/(1+12%)^3
=2*1.08/4%*(1-1.08^3/1.12^3)+((2*(1+8%)^3*(1+4%)/8%))/(1+12%)^3
=2*1.08/4%*0.103362+((2*(1+8%)^3*(1+4%)/8%))/(1+12%)^3
=2*1.08/4%*0.103362+((2*1.08^3*(1+4%)/8%))/(1+12%)^3
=2*1.08/4%*0.103362+((2*1.08^3*1.04/8%))/(1+12%)^3
=2*1.08/4%*0.103362+(32.752512)/(1+12%)^3
=2*1.08/4%*0.103362+32.752512/(1+12%)^3
=2*1.08/4%*0.103362+32.752512/1.12^3
=2*1.08/0.04*0.103362+32.752512/1.12^3
=2*1.08/0.04*0.103362+32.752512/1.404928
=2.16/0.04*0.103362+32.752512/1.404928
=54*0.103362+32.752512/1.404928
=5.581548+32.752512/1.404928
=5.581548+23.312591
=28.894139 答案:2*(1+8%)/4%*(1-(1+8%)^3/(1+12%)^3)+((2*(1+8%)^3*(1+4%)/8%))/(1+12%)^3=28.894139你的问题在这里没有得到解决?请到 热门难题 里面看看吧!