4k+m/4=-3,k+m/2=3k和m分别为多少
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4k+m/4=-3,k+m/2=3k和m分别为多少
4k+m/4=-3,k+m/2=3
k和m分别为多少
4k+m/4=-3,k+m/2=3k和m分别为多少
整理得
16k+m+12=0 (1)
2k+m-6=0 (2)
(1)-(2)得
14k+18=0
k = -9/7
带入(2)得
-18/7+m-6=0
m=60/7
K=-33/28 M=60/7