当abc都为0 要怎么讨论喃

3 comments

  • @ 2021-10-17 19:08:59

    结果就是0啊,你用公式法做出来也是零啊

    • @ 2021-10-17 17:58:09

      当adb都为0,就是说随便x,y,z取什么值都满足方程了,那么解的个数就是x的范围乘以y的范围,0<= x,y <= 10000,所以abc都为0结果就是固定的1e8了

      • @ 2021-10-17 15:41:28

        xd去学一下markdown吧

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