做97个零件,全部合格,合格率是(  ) A.98% B.97% C.100

日期:2016-05-11 02:40:39 人气:1

做97个零件,全部合格,合格率是(  ) A.98% B.97% C.100

97 97 ×100%=100%;答:合格率是100%;故选:C.
    A+
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