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☆算术计算1题
〖1/1算式〗
作业:求算式 10000*1.1^-1+20000*1.1^-2+30000*1.1^-3+40000*1.1^-4+50000*1.1^-5-100000 的值.
题型:数学计算
解:
10000*1.1^-1+20000*1.1^-2+30000*1.1^-3+40000*1.1^-4+50000*1.1^-5-100000
=10000*0.909090909090909+20000*1.1^(-2)+30000*1.1^(-3)+40000*1.1^(-4)+50000*1.1^(-5)-100000
=10000*0.909090909090909+20000*0.826446280991735+30000*1.1^(-3)+40000*1.1^(-4)+50000*1.1^(-5)-100000
=10000*0.909090909090909+20000*0.826446280991735+30000*0.751314800901578+40000*1.1^(-4)+50000*1.1^(-5)-100000
=10000*0.909090909090909+20000*0.826446280991735+30000*0.751314800901578+40000*0.683013455365071+50000*1.1^(-5)-100000
=10000*0.909090909090909+20000*0.826446280991735+30000*0.751314800901578+40000*0.683013455365071+50000*0.620921323059155-100000
=9090.909091+20000*0.826446280991735+30000*0.751314800901578+40000*0.683013455365071+50000*0.620921323059155-100000
=9090.909091+16528.92562+30000*0.751314800901578+40000*0.683013455365071+50000*0.620921323059155-100000
=9090.909091+16528.92562+22539.444027+40000*0.683013455365071+50000*0.620921323059155-100000
=9090.909091+16528.92562+22539.444027+27320.538215+50000*0.620921323059155-100000
=9090.909091+16528.92562+22539.444027+27320.538215+31046.066153-100000
=25619.834711+22539.444027+27320.538215+31046.066153-100000
=48159.278738+27320.538215+31046.066153-100000
=75479.816953+31046.066153-100000
=106525.883106-100000
=6525.883106 答案:10000*1.1^-1+20000*1.1^-2+30000*1.1^-3+40000*1.1^-4+50000*1.1^-5-100000=6525.883106你的问题在这里没有得到解决?请到 热门难题 里面看看吧!