相对平均值计算公式简介：Tang Chen closed his eyes and took a deep breath, then sighed with a slightly relieved expression and said: Forget it! I understand my own situation. Since Xiaobai is unwilling to help me, forget it. Aya, go and drive him off.
Tang Chen closed his eyes and took a deep breath, then sighed with a slightly relieved expression and said: Forget it! I understand my own situation. Since Xiaobai is unwilling to help me, forget it. Aya, go and drive him off.
