6+8= 37-7= 93-3= 8+5= 75-4= 88-8= 7+9= 80-20= 54-50= 6+7= 100-30= 63-60= 14-6= 20+8= 12+5= 12-3= 60+4= 11+8= 61+8= 80+9= 13+6= 42+5= 73+2= 14+2= 40+30= 43+7= 7+9= 10+90= 36-6= 18-5=