\u0110\u00e1nh gi\u00e1 \u0111\u1ed9 kh\u00f3 c\u1ee7a 8 m\u00f4n thi THPT Qu\u1ed1c gia qua k\u1ebft qu\u1ea3 thi t\u1ea1i c\u1ee5m \u0110\u1ea1i h\u1ecdc 2015<\/a><\/blockquote><\/iframe>