1 2 4 8 算24点

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