6
3×9+36= 3×5+42= 4×4-7= 6×2+28= 9×5-19= 2×5+32= 3×4+44= 4×4+40= 8×8-5= 7×3+39= 9×2+22= 3×7-3= 4×2+43= 7×5+41= 9×1-8= 1×3+4= 4×5+30= 7×3+23= 5×6-21= 5×6+43= 8×3+31= 1×2+48= 5×5-9= 6×3-1= 7×8-40= 3×6+41= 1×5+9= 8×3-15= 9×4-12= 3×5+29= 5×6+41= ×3-13= 6×1+9= 3×8+32= ×1+34= 4×6+46= 4×6-12= 5×4-2= 6×2+44= 5×7+41= 7×9-43= 9×4-1=
9 7