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用%2,%3,4,5算出"24点"

(2×(3+(4+5))) (2×((3+4)+5)) (2×(3+(5+4))) (2×((3+5)+4)) (2×(4+(3+5))) (2×((4+3)+5)) (2×(4+(5+3))) (2×((4+5)+3)) (2×(5+(3+4))) (2×((5+3)+4)) (2×(5+(4+3))) (2×((5+4)+3)) ((3-(2-5))×4) (((3-2)+5)×4) ((3+(4+5))×2) (((3+4)+5)×2) ((3...

1.3+5=8,8-2=6,4×6=24 2.3+4+5=12,12×2=24

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=...

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

解法如下; (1)3×(5×2-2)=24 (2)(5×2-2)×3=24 科学型: (5-2÷2)×3!=24(4!=24)

2*5+3*4

2x[5-(-4)-(-3)] =2x(5+4+3) =2x12 =24; (-4)x[2+(-3)-5] =(-4)x(2-3-5) =(-4)x(-6) =24; …… 供参考。

(2-3-5)x(-4)=24 2x(3-(-4)+5)=24 (-4)x(2-3-5)=24

用2,3,4,5算24点,共有40种算法。 [﹙4+5﹚+3]×2 [﹙5+3﹚-2]×4 [﹙3+5﹚-2]×4 [﹙3+5﹚+4]×2 2×[﹙4+3﹚+5] 4×[5+﹙3-2﹚] 2×[3+﹙4+5﹚] 2×[﹙5+3﹚+4] 2×[﹙3+5﹚+4] [3-﹙2-5﹚]×4 2×[4+﹙5+3﹚] 2×[﹙4+5﹚+3] 4×[...

(5+2)×3+3=24

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