[Gi\u1ea3i To\u00e1n 10] Ch\u01b0\u01a1ng 1: M\u1ec7nh \u0111\u1ec1 – T\u1eadp h\u1ee3p\/ B\u00e0i 4: C\u00e1c t\u1eadp h\u1ee3p s\u1ed1<\/a><\/blockquote><\/iframe>