2020 袋鼠数学 A-PreEcolier 真题 答案 详解

英文真题

30th INTERNATIONAL KANGAROO MATHEMATICS CONTEST 2020 KSF - Problems PreEcolier (Class 1 & 2) Time Allowed: 120 minutes SECTION ONE - (3 point problems) 1. The kangaroo goes up 3 steps each time the rabbit goes down 2 steps. On which step do they meet? (A) 3 (B) 4 (C) 5 (D) 6 (E) 7 2. Mordka took a selfie in front of this castle. Which of the pictures below could be Mordka's photo? (A) (B) (C) (D) (E) 3. Nelly arranged the 4 pieces to make a picture of a kangaroo. -- 1 of 8 --

中英双语真题

MATH KANGAROO CHINA Kangaroo Math Competition 2020 (China) - PreEcolier ASDAN 阿思丹 3 points #1. The kangaroo goes up 3 steps each time the rabbit goes down 2 steps. On which step do they meet? tú zhōng de dài shǔ měi xiàng shàng tiào 3 céng lóu tī, tù zi jiù huì xiàng xià tiào 2 céng, qǐng wèn tā men huì zài nǎ yī céng jiàn miàn ? 图中的袋鼠每向上跳3层楼梯，兔子就会向下跳2层。请问它们会在哪一层见面？ (A) 3 (B) 4 (C) 5 (D) 6 (E) 7 #2. Mordka took a selfie in front of this castle. Which of the pictures below could be Mordka's photo? xiǎo mò zài zhè zuò chéng bǎo qián bǎ le zhāng zì pāi zhào .yǐ xià nǎ zhāng tú piàn kě néng shì xiǎo mó de zhào piàn ? 小莫在这座城堡前拍了张自拍。以下哪张图片可能是小莫的照片？ (A) (B) (C) (D) (E) 1