75-45=
37-21=
47+0=
4+56=
7×3=
9+4=
9×4=
5×7=
45+26+18= 74-18+22= 81-38-27=
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=
36+26=2 87-68=9 35+=43
74-35=3 25+25=5 7+7+7=×