x1+x2+x3=11 x1>=2 x2
1个回答
这是数论中的不定方程题,解法课本上有的,翻开书,看看,依样画葫芦即可.
方程的通解为
x1 = 11-s-t,x2 = s,x3 = t,
令
x1>=2,x2
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