本帖最后由 樊老师 于 2022-7-1 09:17 编辑
NMOS二轮模拟题修正
6月25日上周六模拟考试时曹老师在《奥数是个什么东西》讲座后发放了《NMOS3+3+3》,其中有二轮模拟题中有两道题目的题干信息有误,特此修正:
第18题的题干信息应为: There are cats, dogsand other animals living in a strange animal village. 20% of dogs think theyare cats while 20% of cats think they are dogs. Other animals are normal. Oneday, the little monkey, the village head of the animal village, found thatamong all the cats and dogs, 32% of them think they are cats. If there are 180more dogs than cats in this strange animal village, how many dogs are there?
第19题的题干信息应为: As shown in thefigure, square ABCD has three vertices on three sides of triangle EFG, and BE=BF. Find the area (in cm2) of the square ABCD.
希望大家做题时注意修正,同时也对因此给大家造成的不便深表歉意。
特此更正。
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