最简分数的分子和分母请选择CBA0['P0p9c0e*f6m.Y)N;m'X,v3S-e)E+H;d5d/A5C(U,Y/_/w(O2c
A.都是合数/A5C(U,Y/_/w(O2c
B.都是质数/A5C(U,Y/_/w(O2c
C.是互质数/A5C(U,Y/_/w(O2c