T\u00e1c gi\u1ea3: Nguy\u1ec5n Ti\u1ebfn D\u0169ng (gi\u00e1o s\u01b0 ngo\u1ea1i h\u1ea1ng, \u0110H Toulouse, C\u1ed9ng h\u00f2a Ph\u00e1p)<\/p>\n
D\u1ef1a tr\u00ean c\u00e1c b\u00e0i gi\u1ea3ng v\u00e0 c\u00e1c cu\u1ed9c tr\u00f2 chuy\u1ec7n c\u1ee7a t\u00e1c gi\u1ea3 v\u1edbi con g\u00e1i Mirella v\u1ec1 to\u00e1n.<\/p>\n
Mirella tuy kh\u00f4ng h\u1ecdc chuy\u00ean to\u00e1n, kh\u00f4ng \u0111i h\u1ecdc th\u00eam bao gi\u1edd, v\u00e0 c\u00f3 nhi\u1ec1u ham th\u00edch kh\u00e1c ch\u1ee9 kh\u00f4ng ch\u1ec9 th\u00edch m\u1ed7i to\u00e1n, nh\u01b0ng \u0111\u00e3 \u0111\u1ea1t nhi\u1ec1u th\u00e0nh t\u00edch thi h\u1ecdc sinh gi\u1ecfi to\u00e1n \u1edf Ph\u00e1p.<\/p>\n
L\u1eddi gi\u1edbi thi\u1ec7u c\u1ee7a GS H\u00e0 Huy Kho\u00e1i:<\/p>\n
\u0110\u1ecdc cu\u1ed1n “C\u00e1c b\u00e0i gi\u1ea3ng v\u1ec1 to\u00e1n cho Mirella”, t\u00f4i g\u1eb7p l\u1ea1i c\u00e1i c\u1ea3m gi\u00e1c t\u01b0\u01a1i m\u00e1t c\u1ee7a 4-5 n\u0103m tr\u01b0\u1edbc, khi \u0111\u1ebfn th\u0103m ng\u00f4i nh\u00e0 nh\u1ecf c\u1ee7a D\u0169ng–Mai–Tito–Mirella \u1edf Toulouse. Ng\u00f4i nh\u00e0 c\u00f3 m\u1ea3nh v\u01b0\u1eddn nh\u1ecf, v\u1edbi nh\u1eefng lu\u1ed1ng c\u00e0 chua v\u00e0 m\u1ea5y kh\u00f3m rau th\u01a1m mang gi\u1ed1ng t\u1eeb Vi\u1ec7t Nam. B\u1eefa \u0103n h\u00f4m \u0111\u00f3 th\u01a1m m\u00f9i c\u00e0 chua m\u1edbi h\u00e1i trong v\u01b0\u1eddn, l\u1ea1i c\u00f2n \u0111\u01b0\u1ee3c nghe ch\u1ee7 nh\u00e0 k\u1ec3 v\u1ec1 c\u00e1i c\u00e1ch ch\u0103m s\u00f3c ch\u00fang v\u1edbi ni\u1ec1m say m\u00ea th\u1ef1c s\u1ef1 c\u1ee7a ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn.<\/p>\n
H\u00f4m nay, \u00f4ng ch\u1ee7 c\u1ee7a khu v\u01b0\u1eddn \u0111\u00f3 l\u1ea1i d\u1eabn ch\u00fang ta v\u00e0o m\u1ed9t khu v\u01b0\u1eddn kh\u00e1c, c\u0169ng v\u1edbi ni\u1ec1m say m\u00ea nh\u01b0 th\u1ebf. Kh\u00f4ng nh\u1eefng ta \u0111\u01b0\u1ee3c \u00f4ng ch\u1ee7 ch\u1ec9 cho xem, \u0111\u01b0\u1ee3c chi\u00eau \u0111\u00e3i nh\u1eefng hoa th\u01a1m qu\u1ea3 ng\u1ecdt c\u1ee7a khu v\u01b0\u1eddn, m\u00e0 c\u00f2n \u0111\u01b0\u1ee3c t\u1eadn t\u00ecnh ch\u1ec9 b\u1ea3o c\u00e1ch t\u1ea1o n\u00ean nh\u1eefng hoa th\u01a1m q\u1ee7a ng\u1ecdt \u0111\u00f3. Khu v\u01b0\u1eddn c\u00f3 t\u00ean l\u00e0 emph{To\u00e1n h\u1ecdc}. Kh\u00f4ng \u00edt ng\u01b0\u1eddi t\u1eebng ng\u1ea1i ng\u1ea7n khi b\u01b0\u1edbc v\u00e0o khu v\u01b0\u1eddn b\u00ed hi\u1ec3m \u0111\u00f3, v\u1edbi nh\u1eefng l\u1ed1i \u0111i ch\u1eb3ng kh\u00e1c n\u00e0o emph{labyrinth}. Nh\u01b0ng \u0111i theo ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn th\u00e0nh th\u1ea1o \u0111\u00e3 hi\u1ec3u m\u1ecdi ng\u00f5 ng\u00e1ch khu v\u01b0\u1eddn nh\u01b0 l\u00f2ng b\u00e0n tay, ta b\u1ed7ng th\u1ea5y m\u1ecdi \u0111i\u1ec1u tr\u1edf n\u00ean th\u1eadt d\u1ec5 d\u00e0ng. T\u1ea5t c\u1ea3 \u0111\u1ec1u hi\u1ec7n l\u00ean v\u1edbi m\u1ed9t v\u1ebb \u0111\u1eb9p
\nth\u1eadt \u0111\u01a1n gi\u1ea3n v\u00e0 thu\u1ea7n khi\u1ebft. H\u01a1n th\u1ebf n\u1eefa, ta b\u1ed7ng th\u1ea5y h\u00e1o h\u1ee9c mu\u1ed1n c\u1ea7m ngay x\u1ebbng,
\ncu\u1ed1c \u0111\u1ec3 t\u1ef1 m\u00ecnh tr\u1ed3ng v\u00e0i c\u00e1i c\u00e2y, v\u00e0i kh\u00f3m hoa, lu\u1ed1ng rau. \u0110\u1ed1i v\u1edbi t\u00f4i, khu v\u01b0\u1eddn to\u00e1n h\u1ecdc \u0111\u00f3 kh\u00f4ng c\u00f3 g\u00ec xa l\u1ea1i. V\u1eady m\u00e0 \u0111i theo ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn Nguy\u1ec5n Ti\u1ebfn D\u0169ng, t\u00f4i v\u1eabn ng\u1ea1c nhi\u00ean th\u00fa v\u1ecb v\u1ec1 c\u00e1i c\u00e1ch anh gi\u1ea3ng gi\u1ea3i chuy\u1ec7n l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 tr\u1ed3ng \u0111\u01b0\u1ee3c m\u1ea5y kh\u00f3m c\u00e2y \u0111\u00f3, nh\u01b0 chuy\u1ec7n k\u1ec3 v\u1ec1 l\u00fd thuy\u1ebft nh\u00f3m th\u00f4ng qua vi\u1ec7c xoay xoay m\u1ea5y h\u00ecnh \u0111a gi\u00e1c, hay b\u00e0i to\u00e1n emph{t\u00ecm h\u00ecnh c\u00f3 chu vi cho tr\u01b0\u1edbc v\u1edbi di\u1ec7n t\u00edch c\u1ef1c \u0111\u1ea1i} b\u1eb1ng c\u00e1i d\u00e2y da tr\u00e2u c\u1ee7a c\u00f4ng ch\u00faa Dido.<\/p>\n
C\u00e1c b\u00e0i gi\u1ea3ng v\u1ec1 to\u00e1n cho Mirella th\u1ef1c s\u1ef1 l\u00e0 m\u1ed9t cu\u1ed1n s\u00e1ch gi\u00e1o khoa to\u00e1n h\u1ecdc cho t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi, \u0111\u1eb7c bi\u1ec7t cho nh\u1eefng ai mu\u1ed1n t\u00ecm hi\u1ec3u v\u1ebb \u0111\u1eb9p c\u1ee7a to\u00e1n h\u1ecdc m\u00e0 c\u00f2n ng\u1ea1i t\u00ednh to\u00e1n! N\u00f3i cho c\u00f9ng, trong to\u00e1n h\u1ecdc c\u00f3 hai ph\u1ea7n “t\u00ednh” v\u00e0 “to\u00e1n”. N\u1ebfu nh\u01b0 c\u00e1c k\u1ef3 thi th\u01b0\u1eddng hay b\u1eaft th\u00ed sinh ph\u1ea3i th\u1ea1o “t\u00ednh”, th\u00ec t\u00e1c gi\u1ea3 l\u1ea1i cho ng\u01b0\u1eddi \u0111\u1ecdc hi\u1ec3u ph\u1ea7n “to\u00e1n”, t\u1ee9c l\u00e0 ph\u1ea7n b\u1ea3n ch\u1ea5t nh\u1ea5t c\u1ee7a to\u00e1n h\u1ecdc. H\u01a1n n\u1eefa, khi \u0111\u00e3 hi\u1ec3u “to\u00e1n” th\u00ec vi\u1ec7c “t\u00ednh” c\u0169ng s\u1ebd t\u1ef1 nhi\u00ean nh\u01b0 tr\u1ed3ng m\u1ed9t c\u00e1i c\u00e2y, gieo m\u1ed9t h\u1ea1t gi\u1ed1ng th\u00f4i. \u0110\u00e3 \u0111\u1ebfn l\u00fac ch\u00fang ta c\u00f9ng ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn v\u00e0 c\u00f4 b\u00e9 Mirella b\u01b0\u1edbc v\u00e0o khu v\u01b0\u1eddn To\u00e1n h\u1ecdc,
\nv\u1edbi ni\u1ec1m vui c\u1ee7a ng\u01b0\u1eddi kh\u00e1m ph\u00e1 v\u00e0 s\u00e1ng t\u1ea1o.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u00e1c gi\u1ea3: Nguy\u1ec5n Ti\u1ebfn D\u0169ng (gi\u00e1o s\u01b0 ngo\u1ea1i h\u1ea1ng, \u0110H Toulouse, C\u1ed9ng h\u00f2a Ph\u00e1p)<\/p>\n
D\u1ef1a tr\u00ean c\u00e1c b\u00e0i gi\u1ea3ng v\u00e0 c\u00e1c cu\u1ed9c tr\u00f2 chuy\u1ec7n c\u1ee7a t\u00e1c gi\u1ea3 v\u1edbi con g\u00e1i Mirella v\u1ec1 to\u00e1n.<\/p>\n
Mirella tuy kh\u00f4ng h\u1ecdc chuy\u00ean to\u00e1n, kh\u00f4ng \u0111i h\u1ecdc th\u00eam bao gi\u1edd, v\u00e0 c\u00f3 nhi\u1ec1u ham th\u00edch kh\u00e1c ch\u1ee9 kh\u00f4ng ch\u1ec9 th\u00edch m\u1ed7i to\u00e1n, nh\u01b0ng \u0111\u00e3 \u0111\u1ea1t nhi\u1ec1u th\u00e0nh t\u00edch thi h\u1ecdc sinh gi\u1ecfi to\u00e1n \u1edf Ph\u00e1p.<\/p>\n","protected":false},"featured_media":17977,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[17,26],"product_tag":[],"class_list":{"0":"post-17961","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-sach-danh-cho-cac-be","7":"product_cat-thieu-nien-11-tuoi-18-tuoi","9":"first","10":"outofstock","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"supplier_id":null,"supplier_sku":"","barcode":null,"atum_controlled":true,"out_stock_date":"2022-12-19 12:58:37","out_stock_threshold":null,"inheritable":false,"inbound_stock":0,"stock_on_hold":0,"sold_today":0,"sales_last_days":0,"reserved_stock":0,"customer_returns":0,"warehouse_damage":0,"lost_in_post":0,"other_logs":0,"out_stock_days":1136,"lost_sales":0,"has_location":false,"update_date":"2026-01-28T23:11:02","atum_locations":[{"id":32,"name":"Helsinki","slug":"helsinki"}],"atum_stock_status":"outofstock","restock_status":false,"low_stock_amount":"","sales_update_date":"2026-01-28T23:11:02","calc_backorders":null,"acf":{"publisher":{"ID":17958,"post_author":"1","post_date":"2022-04-09 17:53:00","post_date_gmt":"2022-04-09 14:53:00","post_content":"","post_title":"Sputnik","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"sputnik","to_ping":"","pinged":"","post_modified":"2022-04-09 17:53:00","post_modified_gmt":"2022-04-09 14:53:00","post_content_filtered":"","post_parent":0,"guid":"https:\/\/sachviet.eu\/nha-phat-hanh\/sputnik\/","menu_order":0,"post_type":"publisher","post_mime_type":"","comment_count":"0","filter":"raw"}},"_links":{"self":[{"href":"https:\/\/sachviet.eu\/en\/wp-json\/wp\/v2\/product\/17961","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sachviet.eu\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/sachviet.eu\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sachviet.eu\/en\/wp-json\/wp\/v2\/media\/17977"}],"wp:attachment":[{"href":"https:\/\/sachviet.eu\/en\/wp-json\/wp\/v2\/media?parent=17961"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/sachviet.eu\/en\/wp-json\/wp\/v2\/product_brand?post=17961"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/sachviet.eu\/en\/wp-json\/wp\/v2\/product_cat?post=17961"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/sachviet.eu\/en\/wp-json\/wp\/v2\/product_tag?post=17961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}