18+20= 42-10= 7+9= 16-8=
77-7= 50+14= 40+8= 35+40-60=
36-6+25= 25+(90-50)=
15-7=
13-5=
8+4=
7+6=
18-9=
19-8=
5+9=
4+10=
15-5=
16-10=
10+5=
11-6=
11-6+9=
14-7+3=
17-8+2=
12+4-8=
8+7-6=
11+6-8=
15-6+3=
13+2-9=
11-3=
15-6=
8+8=
35-20=
12-5=
18-9=
4+20=
66-6=
70+30=
75-50=
30+26=
32+60=
37-30=
10+58=
16+40=
44+5=
45-5-10=
96-40+3=
11-6+53=
45-3+6=
42+5+20=
76-30+3=
12-5= 13-9= 14-6= 15-7= 14-7= 15-9=
11-6= 14-5= 13-6= 12-9=
14-9= 12-8= 17-9= 16-9= 12-7=
16-0= 13+2=