逆定理
AMC8数学竞赛试题及详解
Problem 3What is the value of the expression ?3tiles化简的标准和顺序Problem 6If the degree measures of the angles of a triangle are in the ratio , what is the degree measure of the largest angle of the triang...
Problem 3What is the value of the expression ?3tiles化简的标准和顺序Problem 6If the degree measures of the angles of a triangle are in the ratio , what is the degree measure of the largest angle of the triang...