【decimeter】...Theaveragespeedoftheantindecimetersper

发布时间:2021-04-03 18:16:05

An ant covers a distance of 90 meters in 3 hours ,The average speed of the ant in decimeters per

网友回答

【答案】 一只蚂蚁走了3个小时,一共90米的距离,
  这只蚂蚁的速度是平均每分钟多少分米?
  900/(3*60) =5
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