学校开运动会，198米的跑道旁每隔9米插一面彩旗，需要插多少面彩旗？4s1I1X*Y5x7M,g5f0?'p,g,Z
算式：提示+H'e,u-I*H1A4G'F+u4s1I1X*Y5x7M,g5f0?'p,g,Z
答：需要插7P9v;v/E:[8j'd5K面彩旗。4s1I1X*Y5x7M,g5f0?'p,g,Z