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["机床成本","使用年限","各年使用的月数","资产残值"]
[860000,8,null,125000]
[]
["1999年的折旧值",1,6,{"$f":"DB($A$2,$D$2,$B$2,B4,C4)","v":92020}]
["2000年的折旧值",2,12,{"$f":"DB($A$2,$D$2,$B$2,B5,C5)","v":144655.44}]
["2001年的折旧值",3,12,{"$f":"DB($A$2,$D$2,$B$2,B6,C6)","v":113699.17584000001}]
["2002年的折旧值",4,12,89367.552210239999]
["2003年的折旧值",5,12,70242.896037248647]
["2004年的折旧值",6,12,55210.916285277432]
["2005年的折旧值",7,12,43395.780200228059]
["2006年的折旧值",8,12,34109.083237379258]
["累计折旧额",null,null,{"$f":"SUM(D4:D11)","v":642700.84381037334}]
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