如题所述
啊啊 打错了 是0
做了吗?
稍等c1-1/2c2-1/3c3-1/4c4M 1 1 1 0 2 0 0 0 0 3 00 0 0 4(M=1-1/2-1/3-1/4)= (1-1/2-1/3-1/4)*2*3*4= -2
c1-1/2c2-1/3c3-1/4c4M 1 1 1 0 2 0 0 0 0 3 00 0 0 4(M=1-1/2-1/3-1/4)= (1-1/2-1/3-1/4)*2*3*4= -2
懂了懂了么么哒