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〖1/1算式〗
作业:求算式 66000/(1+0.25)+(51800/(1+0.25)^2)+(39200/(1+0.25)^3)+(30800/(1+0.25)^4)-135000 的值.
题型:数学计算
解:
66000/(1+0.25)+(51800/(1+0.25)^2)+(39200/(1+0.25)^3)+(30800/(1+0.25)^4)-135000
=66000/1.25+(51800/(1+0.25)^2)+(39200/(1+0.25)^3)+(30800/(1+0.25)^4)-135000
=66000/1.25+(51800/1.25^2)+(39200/(1+0.25)^3)+(30800/(1+0.25)^4)-135000
=66000/1.25+33152+(39200/(1+0.25)^3)+(30800/(1+0.25)^4)-135000
=66000/1.25+33152+(39200/1.25^3)+(30800/(1+0.25)^4)-135000
=66000/1.25+33152+20070.4+(30800/(1+0.25)^4)-135000
=66000/1.25+33152+20070.4+(30800/1.25^4)-135000
=66000/1.25+33152+20070.4+12615.68-135000
=52800+33152+20070.4+12615.68-135000
=85952+20070.4+12615.68-135000
=106022.4+12615.68-135000
=118638.08-135000
=-16361.92 答案:66000/(1+0.25)+(51800/(1+0.25)^2)+(39200/(1+0.25)^3)+(30800/(1+0.25)^4)-135000=-16361.92你的问题在这里没有得到解决?请到 热门难题 里面看看吧!