做同一种零件,甲5分钟做6个,乙6分钟做 7 个,丙9分钟做11个,( )做得快.
C
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A car travels at a rate of 50 miles per hour.How long will it take to travel 300 miles?
把2米长的线段平均分成5份,每段长2/5米。
能同时被2、3、5整除的最小两位数是________,最大两位数是________.
bus(复数)__________
Ice-cream and candies are not healthy food.They ale u_____ food