2(2/3)与1.5的和除以5/6,再减去2.3与4/5的差,结果是多少?3q6~;x+N,Z)A*T(S8G6A,q
算式:提示;b'n.j4v;J;M7e3q6~;x+N,Z)A*T(S8G6A,q
答:结果是:f;k7k*K+z;n-v9g3_)r5A(P,C7C(y:h0P。3q6~;x+N,Z)A*T(S8G6A,q