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 40000*1.1^-1+30000*1.1^-2+35000*1.1^-3+25000*1.1^-4+20000*1.1^-5-100000 的值.
题型:数学计算
解:
40000*1.1^-1+30000*1.1^-2+35000*1.1^-3+25000*1.1^-4+20000*1.1^-5-100000
=40000*0.909090909090909+30000*1.1^(-2)+35000*1.1^(-3)+25000*1.1^(-4)+20000*1.1^(-5)-100000
=40000*0.909090909090909+30000*0.826446280991735+35000*1.1^(-3)+25000*1.1^(-4)+20000*1.1^(-5)-100000
=40000*0.909090909090909+30000*0.826446280991735+35000*0.751314800901578+25000*1.1^(-4)+20000*1.1^(-5)-100000
=40000*0.909090909090909+30000*0.826446280991735+35000*0.751314800901578+25000*0.683013455365071+20000*1.1^(-5)-100000
=40000*0.909090909090909+30000*0.826446280991735+35000*0.751314800901578+25000*0.683013455365071+20000*0.620921323059155-100000
=36363.636364+30000*0.826446280991735+35000*0.751314800901578+25000*0.683013455365071+20000*0.620921323059155-100000
=36363.636364+24793.38843+35000*0.751314800901578+25000*0.683013455365071+20000*0.620921323059155-100000
=36363.636364+24793.38843+26296.018032+25000*0.683013455365071+20000*0.620921323059155-100000
=36363.636364+24793.38843+26296.018032+17075.336384+20000*0.620921323059155-100000
=36363.636364+24793.38843+26296.018032+17075.336384+12418.426461-100000
=61157.024794+26296.018032+17075.336384+12418.426461-100000
=87453.042826+17075.336384+12418.426461-100000
=104528.37921+12418.426461-100000
=116946.805671-100000
=16946.805671 答案:40000*1.1^-1+30000*1.1^-2+35000*1.1^-3+25000*1.1^-4+20000*1.1^-5-100000=16946.805671你的问题在这里没有得到解决?请到 热门难题 里面看看吧!