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1,2,3,8算24点

解法如下: (1)2×(8-1)+10=24 (2)10+2×(8-1)=24 (3)(8-1)×2+10=24 (4)10+(8-1)×2=24 类似题目: 1 3 8 10 1 2 8 9

有五种不同算法,举例如下L (8+1+3)×2=24 8×3×(2-1)=24

(1×(2×(4+8))) ((1×2)×(8+4)) (1×((4+8)×2)) ((1×(8-2))×4) (2÷(1÷(4+8))) (2×((4×1)+8)) (2×((8+4)÷1)) ((2×(8+4))×1) ((2×(8+4))÷1) ((4+(1-2))×8) (((4+1)-2)×8) (4×(1×(8-2))) (4×((1×8)-2)) (4÷(1÷(8-2))) ((4×1)×(8-2)) ((4÷1)×(8-2)) ((4...

数理答疑团为您解答,希望对你有所帮助。 2*8+1+7=24 (7-1)*8/2=24 (1+7)*2+8=24 祝你学习进步,更上一层楼! (*^__^*)

2×﹙8-1﹚+10 =2x7+10 =14+10 =24; 10-2×﹙1-8﹚ =10-2x(-7) =10-(-14) =10+14 =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)]!...

2*8-1+9=24; 2*(9-1)+8=24; 8/(1+2)*9=24; 8-(1-9)*2=24;

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

(5-1)×(2×3)=4×6=24 3×(1+2+5)=3×8=24 2×(5-1)×3=2×4×3=8×3=24

(1+3)×4+8 =4×4+8 =16+8 =24

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