L\u00f4 \u0111ang l\u00e0 m\u1ed9t trong nh\u1eefng h\u00ecnh th\u1ee9c c\u00e1 c\u01b0\u1ee3c \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u anh em theo \u0111\u1ed5i hi\u1ec7n nay. Nh\u1ea5t l\u00e0 c\u00e1ch t\u00ednh l\u00f4 theo gi\u1ea3i \u0111\u1eb7c bi\u1ec7t \u0111em l\u1ea1i cho anh em m\u1ed9t s\u1ed1 ti\u1ec1n th\u01b0\u1edfng v\u00f4 c\u00f9ng l\u1edbn. Nh\u01b0ng nhi\u1ec1u anh em hi\u1ec7n nay, d\u00f9 l\u00e0 m\u1edbi ch\u01a1i hay \u0111\u00e3 ch\u01a1i l\u00e2u v\u1eabn ch\u01b0a bi\u1ebft c\u00e1ch t\u00ednh nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n
T\u00ednh l\u00f4 r\u01a1i t\u1eeb gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/strong><\/span><\/h2>\nTr\u01b0\u1edbc khi c\u00e1c anh em mu\u1ed1n bi\u1ebft \u0111\u01b0\u1ee3c c\u00e1ch t\u00ednh l\u00f4 r\u01a1i t\u1eeb gi\u1ea3i \u0111\u1eb7c bi\u1ec7t th\u00ec anh em ph\u1ea3i hi\u1ec3u \u0111\u01b0\u1ee3c chi ti\u1ebft v\u1ec1 l\u00f4 r\u01a1i. V\u00e0 anh em ph\u1ea3i bi\u1ebft c\u00e1ch b\u1eaft l\u00f4 r\u01a1i<\/strong>. T\u1eeb \u0111\u00f3 anh em s\u1ebd v\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c c\u00e1ch t\u00ednh l\u00f4 r\u01a1i t\u1eeb gi\u1ea3i \u0111\u1eb7c m\u1ed9t c\u00e1ch v\u00f4 c\u00f9ng d\u1ec5 d\u00e0ng.<\/p>\nC\u00e1ch t\u00ednh l\u00f4 r\u01a1i t\u1eeb gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p v\u00f4 c\u00f9ng \u0111\u01a1n gi\u1ea3n. Nh\u01b0ng n\u00f3 l\u1ea1i \u0111em l\u1ea1i hi\u1ec7u qu\u1ea3 c\u1ef1c k\u1ef3 cao. C\u00e1ch t\u00ednh kh\u00f4ng c\u00f3 g\u00ec l\u00e0 qu\u00e1 kh\u00f3. Anh em ch\u1ec9 c\u1ea7n \u0111\u1ec3 \u00fd v\u00e0 quan s\u00e1t k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 m\u1ed9t ch\u00fat l\u00e0 c\u00f3 th\u1ec3 t\u00ednh \u0111\u01b0\u1ee3c con l\u00f4 r\u01a1i t\u1eeb gi\u1ea3i \u0111\u1eb7c bi\u1ec7t.<\/p>\n
C\u00e1ch t\u00ednh l\u00f4 r\u01a1i t\u1eeb gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p v\u00f4 c\u00f9ng \u0111\u01a1n gi\u1ea3n. Nh\u01b0ng n\u00f3 l\u1ea1i \u0111em l\u1ea1i hi\u1ec7u qu\u1ea3 c\u1ef1c k\u1ef3 cao. C\u00e1ch t\u00ednh kh\u00f4ng c\u00f3 g\u00ec l\u00e0 qu\u00e1 kh\u00f3. Anh em ch\u1ec9 c\u1ea7n \u0111\u1ec3 \u00fd v\u00e0 quan s\u00e1t k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 m\u1ed9t ch\u00fat l\u00e0 c\u00f3 th\u1ec3 t\u00ednh \u0111\u01b0\u1ee3c con l\u00f4 r\u01a1i t\u1eeb gi\u1ea3i \u0111\u1eb7c bi\u1ec7t.<\/p>\n