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itojunjicolection
2 năm trước
Bài 49: 7, 3 |x|= 5 (-3) - 4 (-9) 8, -4 |x|= 8 (-2) - 3 (-12) 9, -8 |x| = - 16 . 2 - 32 : (-4) 10, 5 |x|= 15 : (-3) - 2 (-10) Còn tiếp
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