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用2,4,5,8算24点

共6种不同算法,举例如下: 2×(4×5-8)=24 4×2×(8-5)=24

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

2 + 5 + 8 + 9 (9 + 8 - 5) × 2 9 × 8 ÷(5 - 2)

2*4+8+8=24; (2-8)*(4-8)=24; 2*(8-4+8)=24; (4-2)*8+8=24; 4/2*8+8=24; (8-4)*(8-2)=24; 8-8*(2-4)=24; ……

8*6/(4/2) 8/4*6*2 8*6/(4-2) 4*8-6-2 就这么多,希望采纳

1. [﹙5+9﹚×2]-4 2. ﹙4+2﹚×﹙9-5﹚ 3. [9-﹙5-2﹚]×4

((5*8)/2)+4 (5*(8/2))+4 ((5*4)-8)*2 (5*4)+(8/2) (5-(4-2))*8 ((5-4)+2)*8 (5-(4/2))*8 (5/(2/8))+4 ((5/2)*8)+4 ((5+2)-4)*8 (5+(2-4))*8 ((8-5)*4)*2 (8-5)*(4*2) 8*(5-(4-2)) 8*((5-4)+2) 8*(5-(4/2)) ((8-5)*2)*4 (8-5)*(2*4) 8*((5+2)-4)...

四则运算范围内有3种算法—— (5-2)×1×8 = 3×8 = 24 (5-1)×(8-2) = 4×6 = 24 (8/2)×(5+1) = 4×6 = 24 加上乘方开根又有3种算法—— (2^5-8)×1 = 32-8 = 24 (5^2)-(1^8) = 25-1 = 24 [√(8×2)]×(5+1) = 4×6 = 24 添上阶乘对数再有2种算法—— [log2(8)]!...

(9-5)×(8-2)=24 2×(9+8-5)=24 8×9÷(5-2)=24

多种算法,举例如下: 6÷(4-2)×8=24 6÷4×2×8=24

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