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 -115.7+20.5*(1-1/1.085^10)/0.085-1.6/0.085*1.085^10 的值.
题型:数学计算
解:
-115.7+20.5*(1-1/1.085^10)/0.085-1.6/0.085*1.085^10
=-115.7+20.5*0.557715/0.085-1.6/0.085*1.085^10
=-115.7+20.5*0.557715/0.085-1.6/0.085*2.260983441917433
=-115.7+11.433158/0.085-1.6/0.085*2.260983441917433
=-115.7+134.507741-1.6/0.085*2.260983441917433
=-115.7+134.507741-18.823529*2.260983441917433
=-115.7+134.507741-42.559687
=18.807741-42.559687
=-23.751946 答案:-115.7+20.5*(1-1/1.085^10)/0.085-1.6/0.085*1.085^10=-23.751946你的问题在这里没有得到解决?请到 热门难题 里面看看吧!