9的乘加乘减（2023-07-12）

9的乘加乘减（2023-07-12）：9×4+7= 9×9-8= 9×1-5= 4×9-1= 2×9-8= 8×9+3= 5×9-4= 9×6+6= 9×8-10= 4×9-1= 9×6+3= 8×9+3= 7×9+6= 9×4-5= 7×9+1= 9×5+10= 9×3-4= 7×9+1= 9×3+2= 4×9-4= 7×9-3= 9×3-2= 3×9-6= 9×4+9= 9×2-8= 4×9-10= 9×2-10= 5×9-5= 7×9-2= 9×6+1= 4×9-8= 9×1-8= 9×4+5= 2×9-10= 9×3-5= 4×9+1= 5×9-7= 9×3-7= 3×9+2= 9×1-5= 9×4+10= 6×9-8= 9×5-1= 2×9+2= 7×9-3= 9×5+7= 4×9+3= 9×1-3= 9×6+6= 3×9+9= 9×2+10= 8×9+1= 7×9-9= 9×...