分子小于6，分母小于60的不可约真分数有多少个？.\6f7m2J(B6C*?5G'`*C6G
算式：提示,d/I0r4M0R8_/X2g.\6f7m2J(B6C*?5G'`*C6G
答：分子小于6，分母小于60的不可约真分数有5?3f9S/K7g9J'R,C7M个。.\6f7m2J(B6C*?5G'`*C6G