在数字2,3,4,5,6,7,8,9的前面添加- + × ÷号,可以添加括号,但不改变顺序,使得数为10,请写出各种解法。

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(1-2)×(3-4)×(5-6)÷(7-8)+9=10
(1+2+3+4-5-6)×7+8+9=10
1×2×3×4×5÷6+7-8-9 = 10
1×2×3+4×5-6+7-8-9 = 10
1×2÷3+4×5÷6+7+8-9 = 10
1×2+3+4+5+6+7-8-9 = 10
1×2+3-4×5+6×7-8-9 = 10
1×2+3-4+5-6-7+8+9 = 10
1×2+3-4-5+6+7-8+9 = 10
1×2-3×4+5×6+7-8-9 = 10
1×2-3×4-5+6×7-8-9 = 10
1×2-3÷4+5-6×7÷8+9 = 10
1×2-3+4+5-6+7-8+9 = 10
1×2-3+4-5+6+7+8-9 = 10
1÷2÷3×4×5×6+7-8-9 = 10
1÷2+3÷4+5-6×7÷8+9 = 10
1+2×3+4-5-6-7+8+9 = 10
1+2×3-4+5-6+7-8+9 = 10
1+2×3-4-5+6+7+8-9 = 10
1+2÷3÷4+5÷6+7-8+9 = 10
1+2+3×4×5-6-7×8+9 = 10
1+2+3×4-5+6-7-8+9 = 10
1+2+3×4-5-6+7+8-9 = 10
1+2+3+4×5-6+7-8-9 = 10
1+2-3×4+5+6+7-8+9 = 10
1+2-3+4+5×6-7-8-9 = 10
1+2-3-4×5+6+7+8+9 = 10
1+2-3-4×5-6×7+8×9 = 10
1-2×3+4-5+6-7+8+9 = 10
1-2×3-4+5+6+7-8+9 = 10
1-2÷3÷4-5÷6-7+8+9 = 10
1-2+3×4-5-6-7+8+9 = 10
1-2+3+4×5-6-7-8+9 = 10
1-2-3×4×5+6+7×8+9 = 10
1-2-3×4×5+6-7+8×9 = 10
1-2-3×4+5-6+7+8+9 = 10
-1×2×3+4×5+6+7-8-9 = 10
-1×2×3-4+5×6+7-8-9 = 10
-1×2×3-4-5+6×7-8-9 = 10
-1×2+3+4+5+6-7-8+9 = 10
-1×2+3+4+5-6+7+8-9 = 10
-1×2+3-4-5-6+7+8+9 = 10
-1×2-3×4+5×6-7-8+9 = 10
-1×2-3+4-5+6-7+8+9 = 10
-1×2-3-4+5+6+7-8+9 = 10
-1÷2+3÷4×5÷6+7÷8+9 = 10
-1÷2-3÷4×5+6×7÷8+9 = 10
-1+2×3×4+5+6-7-8-9 = 10
-1+2×3+4+5+6+7-8-9 = 10
-1+2×3-4×5+6×7-8-9 = 10
-1+2×3-4+5-6-7+8+9 = 10
-1+2×3-4-5+6+7-8+9 = 10
-1+2÷3÷4×5×6+7+8-9 = 10
-1+2÷3÷4+5÷6-7+8+9 = 10
-1+2+3×4-5-6+7-8+9 = 10
-1+2+3+4×5-6-7+8-9 = 10
-1+2-3×4+5+6-7+8+9 = 10
-1-2×3×4+5+6+7+8+9 = 10
-1-2×3×4+5-6×7+8×9 = 10
-1-2×3×4-5×6+7×8+9 = 10
-1-2×3×4-5×6-7+8×9 = 10
-1-2×3+4-5-6+7+8+9 = 10
-1-2×3-4+5+6-7+8+9 = 10
-1-2÷3÷4-5÷6×7+8+9 = 10
-1-2÷3+4×5×6×7÷8÷9 = 10
-1-2+3×4+5+6+7-8-9 = 10
-1-2+3+4+5×6-7-8-9 = 10
-1-2+3-4×5+6+7+8+9 = 10
-1-2+3-4×5-6×7+8×9 = 10
-1-2-3×4×5-6+7+8×9 = 10
-1-2-3×4-5+6+7+8+9 = 10
-1-2-3×4-5-6×7+8×9 = 10
-1-2-3+4×5+6+7-8-9 = 10
-1-2-3-4+5×6+7-8-9 = 10
-1-2-3-4-5+6×7-8-9 = 10
已经找出75种解法,希望对你有所帮助。
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第1个回答  2012-06-15
【10】
2x3x4x5÷6+7-8-9=10
第2个回答  2012-06-14
2+3-4+5-6-7+8+9=10
第3个回答  2012-06-14
-2+3+4+5-6+7+8-9
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