74,67,60,,,39,,
6,12,,24,,
5×4=
3×7=
5×8=
2×9=
6×6=
8×3=
9×1=
8×7=
7×4=
7×5=
8×2=
9×5=
9×9=
6×9=
3×8=
2×7=
9×4=
8×8=
7×7=
8×4=
7×7+7=
9×8-60=
5×9+5=
8×6-8=
6×9-4=
1×7+33=