奶奶家养了30只鸭，20只鹅，35只鸡。+Q-G4J)z'\1F'd/\.{
（1）鹅比鸡少几只？+Q-G4J)z'\1F'd/\.{
算式：提示:d1f6t9~0a/h7g9?6a6O7E+Q-G4J)z'\1F'd/\.{
答：鹅比鸡少6u9?0|;W+E,j8^+~;[只。+Q-G4J)z'\1F'd/\.{
（2）鸭比鹅多几只？+Q-G4J)z'\1F'd/\.{
算式：提示8H.K/Y,X2X0g1B'q5l7t+Q-G4J)z'\1F'd/\.{
答：鸭比鹅多4o2I){2j.j,]1[2H;k:L只。+Q-G4J)z'\1F'd/\.{
（3）鸡、鸭、鹅一共多少只？+Q-G4J)z'\1F'd/\.{
算式：提示:m8I8Q:I/M9k'w+Q-G4J)z'\1F'd/\.{
答：鸡、鸭、鹅一共-m6j)b2c-q5H(T)O;B'A只。+Q-G4J)z'\1F'd/\.{