7. C\u00e1c lo\u1ea1i h\u00f3a \u0111\u01a1n b\u00e1n l\u1ebb<\/span><\/h2>\n\n\n\nH\u00f3a \u0111\u01a1n b\u00e1n l\u1ebb<\/strong> g\u1ed3m lo\u1ea1i 1 li\u00ean, 2 li\u00ean, 3 li\u00ean. Ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 lo\u1ea1i 2 li\u00ean. Tuy nhi\u00ean, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam v\u1ec1 c\u00e1c lo\u1ea1i kh\u00e1c.<\/p>\n\n\n\n7.1. H\u00f3a \u0111\u01a1n b\u1ea3n l\u1ebb 1 li\u00ean<\/span><\/h3>\n\n\n\n