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nguyenphuochoiken
2 năm trước
12,48 x 3,47 – 3,47 x 2,48 b) 128 x 68 + 16 x 256 c) (7,29 + 9,34 + 8,27) – (7,34 + 6,27 + 5,29) d) 45,7 x 101 – 45,7 e) 95,72 x 3,57 + 3,57 x 4,28 g) (200 - 58) x 58 + (100 + 42) x 42 h) 50 – 51 + 40 – 41 + 30 – 31 + 60 i) 28 + 62 x a x ( a x 1 – a : 1) + 28 x 8 + 28
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