13—6= 8+9= 11—7= 6+9= 17—9= 13-7= 14-5= 15-6= 12-9= 12+8= 11-9= 4+8= 16-4= 7+9= 16-7= 2+17= 12-8= 17-8= 18-5= 17-13= 15-7= 16-8= 8+8= 11-6= 13-7= 7+9= 1511-5= 7+6= 411-2= 1310-7= 12+5= 15-6=
10-4 = 14-7 = 14-9= 17+3 = -9= -7= 9+5= +9= 14-4= -11= -6= -4= 10 14+6 = 12+8 = 7+5= 15-8= 12-9= 11-4= 17-3= -3= 9-5= -6= 8+6= 7-10= 131
16-9= 8+6= 14-4= 16+3= 8+7= 16-8= 9+9= 1613-5= 8+5= 15-9= 11+4= 5-5= 15+5= 14-10= 11+9= 5+8= -5= 17-7= -2= 14-7= 7+3= -3= +6= 7+6= 18 12 12 14 13 14 12-2= 11-1= 16-0= 17-10= 18-8= 19-10= 20-12= 10+2= 18-6= 10+3= 10+6= 17-4= 17-5= 10+7= 15+4= 10+8= 15-4= 15-3= 10+9= 14-2= 16-12= 15-12= 11+7= 11+9= 12+8= 18+1= 19-5= 15+5= 12+7= 16+4= 20+0= 7+9=
13+6= 15-8= 11+9= 17-3= +5= 13+7= 14+5= 15+4= 16-12= 17+2= 3+14= 8+8= 13-4= 11-5= 18-12= 12+4= 11-10= 13-6= 14-6= 15-3= 17-7= 17-12= 19-10= +8= 2
18-8= 11+6= 18-7= 12+6= 13+2= 14+2= 14 19-6= 15-8= 16-14= 18+2= 1919-12= 11-9= 17-11= 19-3= 18-4= 12-7= 17+3= +5= 19-9= 16+3= 16+4= +1= -4= 17-6= 13 5 14 4+7= 9+4= 6+8= 9+7= 17-8= 9+8= 4+6= 5+3= 6+9= 17-5= 13-7= 6+7= 9+6= 12-8= 6+5= 14-6= 5+7= 4+7= 7+9= 15-8= 16-9= 16-7= 19-8= 88+10= 1313+6= 1312-9= 196+14= 913+6= 914-6= 718-6= 146+12= 1416-8= 14 +4= 9-7= 7+5= 9+7= 3-6= 6-8= 17+2= 15+5= 10+12= 6+6= 8-8= 5-11= +8= 8+4= 8+5= 8+9= 11+8= 9-11= -14= +10= +5= 16+11= 7+9= 19-9= 123
+5= +3= +6= 7-8= 15+5= 13-11= 145+14= 4 6+10= 18-11= 9+13= 15-14= 7-7= 189+11= 17-6= +12= -8= -8= +6= +9= -15= +6= -7= +11= -9= 8 13 16 17 17-9= 13-6= 14-5= 15-6= 18-( )=9 12-9= 12+8= 11-9= 4+8= 5+( )=14 16-4= 7+9= 16-7= 2+17= 11-( )=5 12-8= 17-8= 18-16= 17-8= 17-( )=10 15-7= 1015+5= 168+6= 147+5= 1417+1 = 159+2= 815-9= 149+4= 712-9= 169+6= 1816-9= 119+8= 5
-4 = -8= 14-10 = 8-4= 11-8= 16+4= 7-8= 12+8= 7-8= 15-12= 7-8= 13+8= 7+6 = -7 = +8= +9 = +3= 5+5= 6-7= 11+7= 6-7= 14+6= 6-7= 15+4= 616-9= 14+8 = -9= 11-6= +8= +6= 5-6= +5= 5-6= +8= 5-6= +9= 54
+( )=18( )+8=12 ( )-12=3 )-8=8 )+5=18 +6= 13-5= +7= -5= +8= 12-5= +9= 14 12 14(( 11