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4,5,8,9算24点

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...

您好。 因为任何数的零次方都等于1,所以: 8+5+10+9°=23+1=24 祝好,再见。

(1)(4–9÷9)×8=24 (2) 8×(4–9÷9)=24

5-1 X 4 + 8

3×8×(5-4) =24×1 =24

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

8乘(4-5除5)等于24

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

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

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

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