算一算。,k3H)g9V4C.L/p9B
8-5=4q,d0l6Y8l 4+5=3b(`,C9X0G6i*u,V9T4N 9-0=-R*f.N.l-l,k3H)g9V4C.L/p9B
9-5='[9Q/d:Q6Y:k1q-~*i)Q 4+4=9m-G2I9Q6s5m)m0E 8+0=+u-s(v5j.m0^;s'w']1E9a,k3H)g9V4C.L/p9B