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缘由c++书本题，求解了，求解-编程语言-CSDN问答
int n = 10, d = 3, z = -1; double x = 2.5, xx = x;while (n){xx += (乘方(x, d) / 阶乘(d)) * z;d += 2, --n, z *= -1;}std::cout << xx << std::endl;
缘由c++书本题，求解了，求解-编程语言-CSDN问答
int n = 10, d = 3, z = -1; double x = 2.5, xx = x;while (n){xx += (乘方(x, d) / 阶乘(d)) * z;d += 2, --n, z *= -1;}std::cout << xx << std::endl;