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〖1/1算式〗
作业:求算式 50000*1.1^-1+40000*1.1^-2+30000*1.1^-3+20000*1.1^-4+10000*1.1^-5 的值.
题型:数学计算
解:
50000*1.1^-1+40000*1.1^-2+30000*1.1^-3+20000*1.1^-4+10000*1.1^-5
=50000*0.909090909090909+40000*1.1^(-2)+30000*1.1^(-3)+20000*1.1^(-4)+10000*1.1^(-5)
=50000*0.909090909090909+40000*0.826446280991735+30000*1.1^(-3)+20000*1.1^(-4)+10000*1.1^(-5)
=50000*0.909090909090909+40000*0.826446280991735+30000*0.751314800901578+20000*1.1^(-4)+10000*1.1^(-5)
=50000*0.909090909090909+40000*0.826446280991735+30000*0.751314800901578+20000*0.683013455365071+10000*1.1^(-5)
=50000*0.909090909090909+40000*0.826446280991735+30000*0.751314800901578+20000*0.683013455365071+10000*0.620921323059155
=45454.545455+40000*0.826446280991735+30000*0.751314800901578+20000*0.683013455365071+10000*0.620921323059155
=45454.545455+33057.85124+30000*0.751314800901578+20000*0.683013455365071+10000*0.620921323059155
=45454.545455+33057.85124+22539.444027+20000*0.683013455365071+10000*0.620921323059155
=45454.545455+33057.85124+22539.444027+13660.269107+10000*0.620921323059155
=45454.545455+33057.85124+22539.444027+13660.269107+6209.213231
=78512.396695+22539.444027+13660.269107+6209.213231
=101051.840722+13660.269107+6209.213231
=114712.109829+6209.213231
=120921.32306 答案:50000*1.1^-1+40000*1.1^-2+30000*1.1^-3+20000*1.1^-4+10000*1.1^-5=120921.32306你的问题在这里没有得到解决?请到 热门难题 里面看看吧!