1×9= 7×7= 3×3= 7×4-7=
3×6= 6×9= 7×8= 4×5-10=
8×8= 32-20= 8×9= 58-(33+7)=
9×3= 1×1= 18-8= 86-6-80=
5×2= 8+5= 2×7= 74+10-1=
6×5= 3+23= 35+4= 6×8+2=
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