将1,2,3,4,5,6,7,8,9这九个数填入方框中,使等式成立(数字不能重复)()()()=1/2*()()()=1/3*()()()
问题描述:
将1,2,3,4,5,6,7,8,9这九个数填入方框中,使等式成立(数字不能重复)()()()=1/2*()()()=1/3*()()()
答
答案① (1)(9)(2)=1/2*(3)(8)(4)=1/3*(5)(7)(6)
答案② (2)(1)(9)=1/2*(4)(3)(8)=1/3*(6)(5)(7)