我会算。4_/B4^-w
14-4=5W'h-z)T1X;s,e9l0G'm:r4q.[4_/B4^-w
9+9='K+F0y,E;V;Y4_/B4^-w
11-10=;U/N;V/m-~4_/B4^-w
19-1=.X'J7G*d7X0X:L3A,W)}3l4C5k4_/B4^-w
16-4=/_+`;Z4_/B4^-w
4+4+6=3M0Y-D9n6t)R/I7S1i8k4_/B4^-w
10-1-9=']4s1a9h4P4_/B4^-w
8-3+6=4r([4v'P/}4_/B4^-w