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在java里int k = 0;int j = ++k + --k + k++ + k++ + ++k + k + ++ k²-k≠2k 怎么解得 k≠0 k≠3 main() {int k=0; while(printf("*")) {k++; if(k k^4+2k^2-6k-3=0 int k,s; for(k=s=0;k for{int k=0;k k²+2k-2=0 当k>0,x k>0,x0,x 0＜k (2 - 4k)/(2k + 1) > 0 ,(6k + 1)/(2k + 1) < 0 c语言题改错#include long fun ( int k) { if k > 0 return (k*fun(k-