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0
2024-01-08 18:42:05
- Bản làng này rất đông vui và nhộn nhịp.
- Bạn ấy nộp bản kiểm điểm cho cô giáo.
2024-01-08 18:40:12
Đoạn đường dành riêng cho dân bản tôi đi về.
2022-10-02 09:20:21
a) A = (1/3 - 8/15 - 1/7) + (2/3 + -7/15 + 1 1/7)
A = -12/35 + 47/35
A = 1
b) B = 0,25 + 3/5 - (1/8 - 2/5 + 1 1/4
)
B = 1/4 + 3/5 - 39/40
B = 17/20 - 39/40
B =-1/8