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数学
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1 2 3 4 5 6 7 8 9=2001
添加,+ - * /〔〕使等式成立
人气：372 ℃ 时间：2020-03-20 20:28:48
解答
1+(2+3)*4*(5+(6+7)*8-9)=2001
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1+2+3+4+5+6+7+8+9+1+3+8+5+0+4+2+43+63+01
1 2 3 4 5 6 7 8 9 =2001
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