26+58= 72+28= 70-23= 7×5-6=
8×9= 48+34= 9×6= 40-23+3=
41-17= 8×5= 79-20= 56-13-13=
9×9= 100-36= 7×7= 6×4+6=
7×3= 56+34= 63-44= 56-(56-23)=
82-9= 4×8= 30+18= 42-(18+14)=