17+4×7= 39+25= 23+13= 45+31= 67-6×9 = 2×7= 9×2+4= 8×6 = 7×8-43= 14+58+21= 11-2= 76-44= 45+26= 37+16= 28-23= 83-29= 8×9-29= 49+46= 7×4= 84-24= 6×5= 52+39= 94-19-21= 53+32-23=