75-68-4= 36-17-6=
56-18-7=
91-37-4=
35-14-5=
30-14-8= 61-51-5= 96-83-12= 33-19-6= 47-9-5=
46-23-10=
63-46+30=
85-10-68=
30-28-1= 39+49+10= 71-47+40= 39+5-13= 23+100-61=
93+5+2=
98-61+35=
96+3+1=
53-12+21= 40+54+3= 63-23-3= 84-0-15= 58+6+28=
33+21-45=
76-62+20=
74-62-1=
86-81+2= 80+13+4= 32+59+6=
