(3)(2)(7)=1/碧早2×(6)(5)(4)=1/3×(9)(8)(1) (1)(9)(2)=1/2×(3)(8)(4)=1/悔慧锋3×(5)(7)(6) (2)(1)(9)=1/碧晌2×(4)(3)(8)=1/3×(6)(5)(7) (2)(7)(3)=1/2×(5)(4)(6)=1/3×(8)(1)(9)
