如题所述
第1个回答 2011-11-27
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301: (9 + (8 - 5)) × 2
302: 9 × (8 ÷ (5 - 2))
303: 9 × 8 ÷(5 - 2)
304: (9 × 8) ÷ (5 - 2)本回答被提问者采纳
第2个回答 2011-11-27
2+5+8+9=24
第3个回答 2013-02-21
2 + 5 + 8 + 9