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☆算术计算1题
〖1/1算式〗
作业:求算式 -1682123.11*1.08^-1+4728323.42*1.08^-2+8829282.94*1.08^-3+8811690.08*1.08^-4+8801840.08*1.08^-5 的值.
题型:数学计算
解:
-1682123.11*1.08^-1+4728323.42*1.08^-2+8829282.94*1.08^-3+8811690.08*1.08^-4+8801840.08*1.08^-5
=-1682123.11*0.925925925925926+4728323.42*1.08^(-2)+8829282.94*1.08^(-3)+8811690.08*1.08^(-4)+8801840.08*1.08^(-5)
=-1682123.11*0.925925925925926+4728323.42*0.857338820301783+8829282.94*1.08^(-3)+8811690.08*1.08^(-4)+8801840.08*1.08^(-5)
=-1682123.11*0.925925925925926+4728323.42*0.857338820301783+8829282.94*0.79383224102017+8811690.08*1.08^(-4)+8801840.08*1.08^(-5)
=-1682123.11*0.925925925925926+4728323.42*0.857338820301783+8829282.94*0.79383224102017+8811690.08*0.735029852796453+8801840.08*1.08^(-5)
=-1682123.11*0.925925925925926+4728323.42*0.857338820301783+8829282.94*0.79383224102017+8811690.08*0.735029852796453+8801840.08*0.680583197033753
=-1557521.398148+4728323.42*0.857338820301783+8829282.94*0.79383224102017+8811690.08*0.735029852796453+8801840.08*0.680583197033753
=-1557521.398148+4053775.222908+8829282.94*0.79383224102017+8811690.08*0.735029852796453+8801840.08*0.680583197033753
=-1557521.398148+4053775.222908+7008969.462861+8811690.08*0.735029852796453+8801840.08*0.680583197033753
=-1557521.398148+4053775.222908+7008969.462861+6476855.26239+8801840.08*0.680583197033753
=-1557521.398148+4053775.222908+7008969.462861+6476855.26239+5990384.461426
=2496253.82476+7008969.462861+6476855.26239+5990384.461426
=9505223.287621+6476855.26239+5990384.461426
=15982078.550011+5990384.461426
=21972463.011437 答案:-1682123.11*1.08^-1+4728323.42*1.08^-2+8829282.94*1.08^-3+8811690.08*1.08^-4+8801840.08*1.08^-5=21972463.011437你的问题在这里没有得到解决?请到 热门难题 里面看看吧!