/images/1041385860215607387/1246858106022133760/khoa-pho-vat-ly-giao-xuat-nhat-phieu-phap-than-khoa-pho-vat-ly-day-ra-mot-phieu-phap-than-chuong-4-cui-khong-so-lo-su-phu.txt?ex=665dea99&is=665c9919&hm=dced68ac848212bb6ee2c3138667e7b35e3f5e0e08f6a119447d4a04f4817ac9&