23+45= 28-16= 41-7=
12+31= 40+21= 80-6=
3×5= 5×2= 2×4=
32-7= 17+18= 80-20=
45+26+18= 74-18+22= 81-38-27=
50-24=
22+18=
2×4+5=
15+13=
2×2+30=
3×3=
4×5=
9+(14-4)=
42+34=
38+20=
48-23=
51-21=
8+61=
25+11=
63-9=
76-32=
30+29=
67-30=
7+20=
80-37=
38-8=
24+8=
97-6=
7+25=
14+65=
55-23=
70+15=
32+18=
76-54=
49-46 =
33+16 =
86-80=
80-30=
30+9=
58-40=
37+40=
22+28=
45+26=
43+25=
48-38=
59-3=
18+9=
59-11=
70-37=
+38=40 -45=29 +26=83 72-=35