5×5-21=
6×6+25=
3×4+56=
47+28-39=
3+3×3=12
57+69= 3.7+4.2= 9×(15﹣8)= 4+24÷4=
80÷5= 0×315= 406×2= 27﹣6÷3=
14+5= 6×4= 47-20= 8×8-8=
37-25= 7×8= 26-14= 6×9+9=
38+9 = 9×3= 51 +30= 5×7-35=