七上绝对值与相反数同步练习含解析.pdf
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- 2021-09-19 发布|
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缁濆鍊间笌鐩稿弽鏁板悓姝ョ粌涔
涓€銆侀€夋嫨棰 1
1. 鈭 鐨勭粷瀵瑰€兼槸锛 锛 2 A. 1 B. 鈭? C. 2 D. 鈭? 2 2
2. 2017鐨勭浉鍙嶆暟鏄紙 锛 A. 1 B. 鈭 1 C. 鈭?017 D. 2017 2017 2017
3. 缁濆鍊煎皬浜?鐨勬墍鏈夋暣鏁扮殑鍜屼负锛堬級 A. 0 B. 鈭? C. 10 D. 20
4. 涓嬪垪璇存硶姝g‘鐨勬槸锛 锛 A. 鈭掜睅涓€瀹氭槸璐熸暟 B. 缁濆鍊肩瓑浜庢湰韬殑鏁颁竴瀹氭槸姝f暟 C. |肀殀=2 肀 =卤2 D. 肀庬睆=0 肀嶟肀廄0 鑻 锛屽垯 鑻 锛屽垯 a2 b a b a b
5. 鑻 =4锛 |=3锛屼笖 锛 寮傚彿锛屽垯 - 鐨勫€间负锛 锛 A. 鈭? B. 卤5 C. 5 D. 鈭? a b
6. 鑻 + =0锛屽垯涓嬪垪鍚勭粍涓笉浜掍负鐩稿弽鏁扮殑鏁版槸锛 锛 肀 肀 A. 3 3 B. 2 2 C. 鈭掜睅 鈭掜睆 D. 肀 鍜岉睆 肀 鍜岉睆 鍜 鍜 2 2
浜屻€佸~绌洪 a b a b
7. 宸茬煡 +1|+ +3|=0锛屽垯 =______锛 =______锛 a b a a b b
8. 銆 鍦ㄧ殑浣嶇疆濡傚浘鎵€绀猴紝鍒欐暟 銆? 銆 銆? 鐨勫ぇ灏忓叧绯 涓篲_____ 锛 ABC a b a 2 b ABC
9. 宸茬煡绛夎叞鈻 鐨勪袱杈归暱 銆佹弧瓒筹紙-2锛? -4|=0锛屽垯绛夎叞鈻 鐨勫懆闀夸负______ 锛 x x x
10. 褰 =______鏃讹紝浠f暟寮? -5涓? -2鐨勫€间簰涓虹浉鍙嶆暟锛 3 2 鈭 鈭
11. 姣旇緝澶у皬锛 ______ 锛 4 3 a b c a b a c b c
12. 濡傚浘锛屾湁鐞嗘暟 銆 銆 鍦ㄦ暟杞翠笂锛屽垯鍖栫畝 + |- - |+ - 鐨勭粨鏋滄槸______锛 x x x