14-7= 16-9= 65-60= 20+39=
31+8= 65-5= 14+3= 37+2=
87-50+2= 9+4-10= 17-7-3=
11-5= 27-3= 30+50= 14-9= 50+16 =
16-8= 45-7= 43-20= 12-4= 14-6 =
57-40= 18+9= 37+5= 73-40= 48+7=
23+9= 54+30= 24-20= 98-8= 11+60=
46+23= 67-20= 73-23=
42-12= 45-25= 93-40=
83-3= 36+12= 45+30=