-4= 7+9= 16-7= 2+17= 11-( )=512-8= 17-8= 18-1= 17-8= 17-( )=1015-7= 10-4= 14+6= 16-9= 14+( )=1815+5= 16-8= 14-7= 12+8= ( )+8=128+6= 14-10= 8+8= 14-9= ( )-12=37+5= 14-4= 11+9= 11-6= ( )-8=817+1= 15-8= 16+3= 5+8= ( )+5=189+2= 8+4= 7+5= 6+6= 5+6=15-9= 14-8= 12-7= 11-6= 13-5=9+4= 7+8= 7+7= 6+5= 5+7=12-9= 16-8= 15-7= 14-6= 11-5=9+6= 8+8= 7+6= 6+8= 5+8=16-9= 11-8= 13-7= 15-6= 12-5=9+8= 5+8= 7+4= 6+9= 5+9=