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huyen290726
2 năm trước
1 cho tập hợp A=(2;4;5) Viết tập hợp B gồm các phần số có tử và mẫu thuộc tập hợp A, trong đó tử khác mẫu 2 tìm sỗ nguyên x, y a/ x/9 = 5/3 b/-3/4 = y/20 c/4/-5 = -12/x d/ -y/9 = -16/36 e/x/8=2/x f/x+1/-4 = 1/2 ai làm cho 5 sao và cảm ơn nếu tốt cho hay nhất mấy anh chị cứu em em đang chạy đua với thời gian em đang chốn mẹ em đang tìm clb sắp đóng cửa giúp em đi mà
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