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SSAT数学题.求救.
an irregularly shaped field has a perimeter of 864 feet.if each fence segment is 9yards long,how many segments are required to enclose the field?
28 32 33 54 96
答案32.因为1 yard=3 feet,则每块篱笆27英尺,周长为864英尺,所以共需篱笆864/27=32
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