kx-2y=3.(1)3x+ky=4.(2)(1)*k+(2)*2(k^2+6)x=3k+8x=(3k+8)/(k^2+6)因为(k^2+6)>0,所以只要3k+8>0,k>-8/3的整数是时,x大于0 kx-2y=3.(1)3x+ky=4.(2)(1)*3-(2)*k(k^2+6)y=4k-9y=(4k-9)/(k^2+6)因为(k^2+6)>0,所以只要4...