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4,5,8,9算24点

4×(9-8+5)

1: 4 × (7 + 8 - 9) 2: 4 × ((7 + 8) - 9) 3: 4 × (7 + (8 - 9)) 4: 4 × (7 - 9 + 8) 5: 4 × ((7 - 9) + 8) 6: 4 × (7 - (9 - 8)) 7: 4 × (8 + 7 - 9) 8: 4 × ((8 + 7) - 9) 9: 4 × (8 + (7 - 9)) 10: (4 + 8) × (9 - 7) 11: 4 × (8 - 9 + 7) 12...

【5,8,9,10】共有0种算法

4*(5-(8-9)) 4*((5-8)+9) 4*((5+9)-8) 4*(5+(9-8)) (4*(9-5))+8 4*((9+5)-8) 4*(9+(5-8)) 4*(9-(8-5)) 4*((9-8)+5) (5-(8-9))*4 ((5-8)+9)*4 ((5+9)-8)*4 (5+(9-8))*4 8-(4*(5-9)) 8+(4*(9-5)) 8-((5-9)*4) 8+((9-5)*4) ((9-5)*4)+8 ((9+5)-8)*4...

3 4 7 8 (7-3)*4+8=24 5 7 8 10 (5+7)*(10-8)=24 2 2 5 8 (5+8)*2-2=24 4 5 7 10 (7-5)*10+4=24 4 4 4 9 4*(9-4)+4=24 2 2 2 9 (9+2)*2+2=24 1 2 7 7 (7*7-1)/2=24 4 6 7 9 (9+7)*3/2=24 5 7 7 9 (5+7)*(9-7)=24 5 6 7 9 (7-5)*9+6=24 2 4 7 7 7...

1: (5 × (4 - 1)) + 9 2: 5 × (4 - 1) + 9 3: (5 × (9 - 4)) - 1 4: 5 × (9 - 4) - 1 5: (4 - 1) × 5 + 9 6: ((4 - 1) × 5) + 9 7: 9 + (5 × (4 - 1)) 8: 9 + 5 ×(4 - 1) 9: 9 - (5 × (1 - 4)) 10: 9 - 5 ×(1 - 4) 11: (9 - 4) × 5 - 1 12: ((9 ...

3X(9-5+4) =3X8 =24

8 ÷ 4 x 7 +10 = 24 你好,这是百度“ 知道专家部特约专家”的回答,有什么不明白的地方可以追问,满意请采纳

5-4=1 -9+1=-8 -8x-3=24

1: 4 × 9 -(5 + 7) 2: (4 × 9) - (5 + 7) 3: 4 × 9 - 5 - 7 4: (4 × 9) - 5 - 7 5: (4 × 9 - 5) - 7 6: ((4 × 9) - 5) - 7 7: 4 × 9 -(7 + 5) 8: (4 × 9) - (7 + 5) 9: 4 × 9 - 7 - 5 10: (4 × 9) - 7 - 5 11: (4 × 9 - 7) - 5 12: ((4 × 9) - 7...

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