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soivlhehe
2 năm trước
Bài 3 : Trong các cách viết sau , cách viết nào đúng a . -3 < 0 b. 5 > -5 c . -12 > -11 d. |9| = 9 e. | -2004 | < 2004 f. |-16|< |-15| Bài 4 : Tìm x , biết : a . |x - 5 | = 3 b. | 1 - x | = 7 c. | 2x + 5 | = 1 Bài 5 : So sánh a . | -2 | mũ 300 và | -4 | mũ 150 b. |-2 | mũ 300 và | -3 | mũ 200 Làm ơn giúp mik !!!
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