①3J,L(_
②3J,L(_
③3J,L(_
(1)①比②多几个?3J,L(_
算式:提示9M2v4e+?)k.R.M,E3J,L(_
答:①比②多5i*Y6?4r3B.Q;Q(I个。3J,L(_
(2)②比③多几个?3J,L(_
算式:提示(`.o'W2P3J,L(_
答:②比③多'}4D6C1j*C4q1e0@7N.h1w个。3J,L(_