viewimageM.php?id=mathematics&no=29bcc427b08277a16fb3dab004c86b6fbdfe40db5f16ba5eff8545f3bc512aac2b025cd93127aef0fe719dd2e0b3e43d76e15fdf44dfd139d8029dae4f2c77b12f45633f462bf74d90c3cf5c2d50

20도라고 애들몇몇이그러는데
안나오지않음?