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yenthamdinh
2 năm trước
Bài 1: Tính tổng: a) | (-5) + (-8)| + (-12) b) 234 –(-166) - 210 - 100 c) –(-125) +(-119) -201 + 12 d) 333 - (-222) - (-122) +30 Bài 2: Tính tổng các số nguyên x, biết: a) -6<x<6 b) -8<x<6 c) -5_<x<7 d) | x| < 6
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