体操队的同学排成2排,一排6人,另一排9人,一共多少人?2?1N-d5Y)p8[
算式:提示.X5D+{4d9s(U4f9R/P3Q'v:c2?1N-d5Y)p8[
答:一共;p/b'm6^2z(p9H;g1f人。2?1N-d5Y)p8[