公斤重4千克，鹅重8.4千克，鹅的质量是公鸡的多少倍？2~7o5k1u7x7P)c/J(u*P'U'v;}.N+Y:P
算式：提示;Q7p)U'F+w,D+O.k3g/}2~7o5k1u7x7P)c/J(u*P'U'v;}.N+Y:P
答：鹅的质量是公鸡的3n6y4F+\.~0^2^0?(T倍。2~7o5k1u7x7P)c/J(u*P'U'v;}.N+Y:P