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6除以[5除以4
减去1]等于24.
(5的前面有个前括号，1的后面有个后括号，不知你的手机能不能显示).
减去1]等于24.
(5的前面有个前括号，1的后面有个后括号，不知你的手机能不能显示).
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276: (8 + (5 + 7)) + 4
277: 8 + (5 + 7) + 4
278: 8 + (5 + 7 + 4)
279: 8 + ((5 + 7) + 4)
280: 8 + (5 + (7 + 4))
281: 8 + 5 +(7 + 4)
282: (8 + 5) + (7 + 4)
283: (8 + 5 - 7) × 4
284: ((8 + 5) - 7) × 4
285: (8 + (5 - 7)) × 4
286: (8 × (5 + 7)) ÷ 4
287: 8 × (5 + 7) ÷ 4
288: 8 × ((5 + 7) ÷ 4)
289: 8 + 7 + 4 + 5
290: (8 + 7) + 4 + 5
291: (8 + 7 + 4) + 5
292: ((8 + 7) + 4) + 5
293: (8 + (7 + 4)) + 5
294: 8 + (7 + 4) + 5
295: 8 + (7 + 4 + 5)
296: 8 + ((7 + 4) + 5)
297: 8 + (7 + (4 + 5))
298: 8 + 7 +(4 + 5)
299: (8 + 7) + (4 + 5)
300: 8 + 7 + 5 + 4
301: (8 + 7) + 5 + 4
302: (8 + 7 + 5) + 4
303: ((8 + 7) + 5) + 4
304: (8 + (7 + 5)) + 4
305: 8 + (7 + 5) + 4
306: 8 + (7 + 5 + 4)
307: 8 + ((7 + 5) + 4)
308: 8 + (7 + (5 + 4))
309: 8 + 7 +(5 + 4)
310: (8 + 7) + (5 + 4)
311: (8 - 7 + 5) × 4
312: ((8 - 7) + 5) × 4
313: (8 - (7 - 5)) × 4
314: (8 × (7 + 5)) ÷ 4
315: 8 × (7 + 5) ÷ 4
316: 8 × ((7 + 5) ÷ 4)
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5*7-(4+7)=24
4*(5-7+8)=24
(4+8)(7-5)=24
8*(5+7)/4=24
4*(5-7+8)=24
(4+8)(7-5)=24
8*(5+7)/4=24
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7-5=2 8-2=6 4*6=24
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