4118+6+16 78-60-414 86-19-4910
36-8-923 36+19+853 65-28+1145-12+5
48+7= 25-8= 49+5= 70+20+9=
31-5= 6+47= 15+8= 45-9-6=
63-4= 90-7= 58-9= 5+51+4=
54+8= 4+68= 61-6= 79-8-4=
18-9+34= 16+40+7= 8+63-70= 90-5-80=