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What is the effect of Yifu Sun's top math tutoring?
I am a parent in Liaoning, and bought an online class! I can tell you responsibly that Mr. Sun's philosophy is "extremely high cost performance, and quick grades in a very short time", which is quite helpful for senior high school math exams! My son especially likes this teacher's teaching style, and his math score in the 20 18 college entrance examination 125! Never failed!