77-46+32= 65-38+26= 79-8×5= 56-6×7= 73-8×8=
84-27+16= 4+6×3= 99-（25-24）= 93-6×9=
69-(39-23)= 77-6×8= 61-8×5= 79-7×8=
16+8×9= 18-36+27= 87-8×3= 30+(23-29) =