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anphamthpt
2 năm trước
Tính bằng cách thuận tiện nhất : a, 25,7 + 9,48 +14,3 b, 8,24 + 3,69 + 2,31 c, 8,65 + 7,6 + 1,35 + 0,4 d, 5,92 + 0,44 + 5,56 + 4,08 e, 7,5 + 6,5 + 5,5 + 4,5 + 3,5 + 2,5 g. 51,8 + 3,9 + 4,2 h. 8,75 + 4,65 + 2,25 m. 5,26 + 9,85 + 1,15 + 4,74
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