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1-10:ACDE , ACD, ACDE, CDE, AC, ACD, ABE, BD ,CD, BCDE
11-20:BE,ABDE,ACDE,CE,DE,AC,ABC,AB,BC,ACE
21-30:BD,BE,ACDE,BC,BCE,BD,ABD,CDE,AE,ABDE
31-40:AD,ACE,ABC,AC,ABDE,CDE,BC,AE,ABD,ABE
來(lái)源:考試網(wǎng)-質(zhì)量工程師考試
