numerator,obtuse angle

【预订】a de*ion of the visible numerator: with instructions for
math terms: numerator, denominator etc
《矩阵求导 分子布局 分母布局 matrix differentiation numerator
(4)将发生情况放入numerator(分子)框中,总样本放入denominator(分母)
墨洋亲子英语丨分数-numerator and denominator fractions