[123doc] - de-thi-hsg-toan-5-tinh-thua-thien-hue-2007-2008.doc

# [123doc] - de-thi-hsg-toan-5-tinh-thua-thien-hue-2007-2008.doc

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S GIÁO D C-ĐÀO T O TH A THIÊN HU Đ THI CH N H C SINH GI I C P T NH NĂM H C 2007-2008 Môn: TOÁN - L P 5 Th i gian làm bài : 60phút (không tính th i gian giao đ ) A. Ph n tr c nghi m: (5 đi m). Khoanh tròn vào ch đ t tr c câu tr l i đúng. ướ ả ờ Câu 1 : K t qu c a phép tính ế 2007 2008 - 2006 2007 là: A. 1 2007 2008 B. 1 2007 C. 1 2008 D. 2 2007 2008 Câu 2 : Cho 125dam 2 = ................... km 2 . S thích h p đi n vào ch ch m là: A. 0,125 B. 0,0125 C. 0,1250 D. 0,1025 Câu 3: Trên b n đ t l 1 : 1000 có v m t m nh đ t hình ch nh t v i chi u dài 5cm; ồ ỉ ệ chi u r ng 3cm. Nh v y, m nh đ t đó có di n tích là: ư A. 15dam 2 B. 1500dam 2 C. 150dam 2 D. 160dam 2 Câu 4: M t hình h p ch nh t có th tích 216cm 3 . N u tăng ba kích th c c a hình h p ế ướ ch nh t lên 2 l n, thì th tích c a hình h p ch nh t m i là: A. 864cm 3 B. 1296cm 3 C. 1728cm 3 D. 1944cm 3 Câu 5: Tam giác ABC, kéo dài BC thêm m t đo n CD = 1 2 BC thì di n tích tam giác ABC

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