ya ... right answer is
8 Z* i) {, ?" v. w8 @; Otvb now,tvbnow,bttvba)$60-$55=賺左$5
4 E7 x6 N/ f& r& b
( c% @7 w# P4 `8 y5.39.217.76b)$60-$62=花多左$2
: q c N% ^ g' w" gtvb now,tvbnow,bttvb! q; V1 k0 `! J8 J) I
c)$68-$62=賺左$6
' P5 W0 Y' k" c. n6 D4 R4 etvb now,tvbnow,bttvb
3 _; l4 I, L! J所以:$5-$2+$6=$9 |