求助,这题怎么做,如何利用2年数据在一张新工作表中的指定格子内预测第3年9月份的数

f4jaytony

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Month-Yr

Stock on hand



Jan-04

$132,541.00



Feb-04

$128,342.00



Mar-04

$94,395.00



Apr-04

$105,954.00



May-04

$124,983.00



Jun-04

$135,492.00



Jul-04

$156,354.00



Aug-04

$175,654.00



Sep-04

$185,459.00



Oct-04

$184,265.00



Nov-04

$193,564.00



Dec-04

$214,352.00



Jan-05

$153,251.00



Feb-05

$145,352.00



Mar-05

$112,362.00



Apr-05

$124,658.00



May-05

$152,685.00



Jun-05

$155,628.00



Jul-05

$168,354.00

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f4jaytony

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