1,2,3,4,5,6,7,8,9,或加或乘或减,计算结果等于30

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1,2,3,4,5,6,7,8,9,或加或乘或减,计算结果等于301,2,3,4,5,6,7,8,9,或加或乘或减,计算结果等于301,2,3,4,5,6,7,8,9,或加或乘或减,计算结果等于30(

1,2,3,4,5,6,7,8,9,或加或乘或减,计算结果等于30
1,2,3,4,5,6,7,8,9,或加或乘或减,计算结果等于30

1,2,3,4,5,6,7,8,9,或加或乘或减,计算结果等于30
(1+2+3+4+5+6+9)/(8-7)=30

5*6*(9-8)*(2-1)+7-3-4

(1+2+3+4+5)*[(7-6)+(9-8)]

1*2-3-4+5+6+7+8+9=30

1*2-3-4+5+6+7+8+9=30
5*6*(9-8)*(2-1)+7-3-4
(1+2+3+4+5+6+9)/(8-7)=30
(1+2+3+4+5)*[(7-6)+(9-8)]

1*2-3-4+5+6+7+8+9=30
(1+2+3+4+5+6+9)/(8-7)=30

1×2-3-4+5+6+7+8+9=30
123-4-5-67-8-9=30