搜搜做题作业网请教一个小升初英语奥数题
来源：学生作业帮 编辑：搜搜做题作业网作业帮 分类：英语作业 时间：2024/06/14 07:12:15
请教一个小升初英语奥数题
Three girls A,B and C run in a 100 m race.When A finishes,B is 10 m
behind A and when B finishes C is 20 m behind B.How far in metres was C from A when A finished?(Let’s assume all the athletes run at a constant speed)
适应小学生思维的方法
Three girls A,B and C run in a 100 m race.When A finishes,B is 10 m
behind A and when B finishes C is 20 m behind B.How far in metres was C from A when A finished?(Let’s assume all the athletes run at a constant speed)
适应小学生思维的方法
A:B=10：9 B:C=10:8 A:B:C=100：90：72 A:C=100:72 所以当A跑完100M时C跑了72M 所以A比B多跑100-72=28M