abs函数作用#include #include using namespace std;int main(){double ac[6]={0.9135,0.9073,0.8747,0.907,0.9229,0.9233};double pp[6]={11.6576,12.7487,14.2012,13.2767,11.5804,11.459};double total=0.0;double variance=0.0;for(int i=0;i
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