[Gi\u1ea3i To\u00e1n 10] Ch\u01b0\u01a1ng 6: Cung v\u00e0 g\u00f3c l\u01b0\u1ee3ng gi\u00e1c – C\u00f4ng th\u1ee9c l\u01b0\u1ee3ng gi\u00e1c\/ B\u00e0i 2: Gi\u00e1 tr\u1ecb l\u01b0\u1ee3ng gi\u00e1c c\u1ee7a m\u1ed9t cung<\/a><\/blockquote><\/iframe>