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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

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

例如: (3-2+5)×4=24 (5+3+4)×2=24 (5+3-2)×4=24

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)]!...

36个解 (-2)*((-3)-(4+5))=24 (-2)*((-3)-4-5)=24 (-2)*(((-3)-4)-5)=24 ((-2)-(-3)+5)*4=24 (((-2)-(-3))+5)*4=24 ((-2)-((-3)-5))*4=24 (-2)*((-3)-(5+4))=24 (-2)*((-3)-5-4)=24 (-2)*(((-3)-5)-4)=24 ((-2)+5-(-3))*4=24 (((-2)+5)-(-3))*4=...

这个应该要用到幂运算 (8/4)^5-8=24 希望采纳!

(5+7)*(4—2)

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

1. 24×[8-﹙5+2﹚] 2. [8-﹙5+2﹚]×24 3. [8-﹙2+5﹚]×24 4. 24÷[8-﹙2+5﹚] 5. 24÷[﹙8-5﹚-2] 6. [﹙8-2﹚-5]×24 7. [5-﹙8÷2﹚]×24 8. 24×[5-﹙8÷2﹚] 9. 24×[﹙8-2﹚-5]

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