5960 6556 17-89 99100
16-515-6 7876 8090 1113-4
11-8= 12-5= 16-7= 18-10+6=
13-5= 13-9= 18-9= 15-6+5=
12-7= 6+8= 17-8= 11-3-8=
16-9= 12-3= 16-6= 13-4+2=
个