王奶奶家养了17只小鸡，和8只母鸡，母鸡比小鸡少几只？2X;H8b7a/d*u:\5f5v'P(U(i;{
算式：提示7e,s+f8W/t6d)s8U5L2X;H8b7a/d*u:\5f5v'P(U(i;{
答：母鸡比小鸡少;]'E*G;|;e5q+y:r,?只。2X;H8b7a/d*u:\5f5v'P(U(i;{