14Ϻ 20ϱ ʴǥ ĺڸ ȸ ǥ 10, ȸ ʴǥ 14 , 4, 20 , ε巯 Ÿ.
3 ϴ ȸ ʴǥ 10 , 3.31 , 4, 6 , ɺδ 20 2, 30 4, 40 50 1, 60 2 20~30 û 60% ߴ.
ȸ 2 ϴ ȸ ʴǥ ڴ 14 1, ߱ 6, 5, 2 ߱ 31 , ڰ Ÿ.
ȸ ʴǥ ڴ ̾, ɺδ 40밡 9 , 503, 60 2̴.
ô ʴǥĺõȸ ڰ ̴ ߰ϰ ڰ ʴǥ ħ̴.
ôڴ ĺڵ ɻ ɻ縦 ǽ , ùΰ Ǹ ɿ ϴ ĺ ̴.̶ ߴ.
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