本帖最后由 edmonto 于 2011-6-13 00:38 编辑 $ q9 V/ H) F7 I S
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560-450=110*25%=27.50 z8 s' T3 I( d. Y/ H1 y8 u7 f G
450-27.5=422.51 t* J3 E# \/ M( G; C
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good deal!!!!!