54-30=
72-4=
36+40=
31+7=
15-8=
30+2=
40+30=
55-9=
12-3=
43-5=
80-30-20=
25-5+2=
24+50-7=
40-(6+4)=
57-(14-7)=
45-20+9=
45+4=
45+40=
6+32=
60+32=
26+3=
26+30=
72+2=
72+20=
25+20 37+9 8+29 46+5
46 51 45 37
46+20=
7+38=
63+9=
9+43=
27+7+60=
55+6+30=
10+30= 12-5= 80+6= 13-4=
14-5= 30+5= 15-7= 9+40=
8+9= 16-9= 10+0= 17-8=
18-9= 60+6= 45-5= 7+70=
58+7= 6+55= 36+20=
55+10= 49+6= 4+56=
13-4= 18-8= 9+10= 77-7 = 20+8=
60+6= 7+40= 16-8= 11-5 = 14-7=
20+7= 86-6= 15-9= 13-4-5= 3+9=5=