ya ... right answer is tvboxnow.com/ w" b& ?; j5 R1 V/ n2 B. ]
a)$60-$55=賺左$5
F0 r0 a9 |. S- C3 }tvboxnow.com
' u# q9 O9 h7 x2 ?" ^. y1 y5 x9 W4 Stvb now,tvbnow,bttvbb)$60-$62=花多左$2tvb now,tvbnow,bttvb6 q$ K+ X- Z9 i* z% B
9 h- D+ |% A# s3 ctvboxnow.comc)$68-$62=賺左$6tvb now,tvbnow,bttvb' g3 x+ s' l0 ?6 Z( {
$ ]; L- o) z; j$ M3 c/ C所以:$5-$2+$6=$9 |