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13renn4
2 năm trước
Bài 1: Tính thuận tiện a, 0,2468 + 0,08 × 0.4 × 12,5 × 2,5 + 0,7532 b, 8,12 × 6 + 16,24 × 4 - 4,06 × 8 c, 20,1 × 98 + 20,1 × 5 - 20,1 × 3 d, 444 × 4,26 - 222 × 7,52
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