ul li p9p p2017-DSEp p2 0 1 7p p 1 1 3 5 79 11 13p pp pp pp pp pp pp pHong Kong Examinations and Assessment Authority All Rights Reserved 2017p p2017-DSE-MATH-EPM21 1p p*A032c001*p li li p91011 12 1 8p p1p p5 E 6p p91011 12p li ul