小于等于零
less than or equal to zero The rational inequality $\frac{P(x)}{Q(x)} \le 0$ indicates that the value of the rational expression is non-positive.
CSCA 数学 考试术语
less than or equal to zero The rational inequality $\frac{P(x)}{Q(x)} \le 0$ indicates that the value of the rational expression is non-positive.
CSCA 数学 考试术语