5×7+2= 3×3+7= 4×5+2= 8×7+3=
　　8×3+5= 4×5+2= 7×6+8= 4×9+6=

　　7×3+9= 8×6+8= 4×7+7= 3×4+2=

　　8×6+2= 6×5+6= 5×7+4= 3×3+5=

　　3×6+1= 5×5+8= 6×5+5= 5×6+2=