{"id":2537,"date":"2021-10-14T21:02:20","date_gmt":"2021-10-14T14:02:20","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=2537"},"modified":"2021-10-14T22:11:17","modified_gmt":"2021-10-14T15:11:17","slug":"hai-goc-doi-dinh-va-kien-thuc-co-ban-toan-lop-7-la-chuyen-nho","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/hai-goc-doi-dinh-va-kien-thuc-co-ban-toan-lop-7-la-chuyen-nho\/","title":{"rendered":"Hai g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh v\u00e0 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n \u2013 To\u00e1n l\u1edbp 7 l\u00e0 chuy\u1ec7n nh\u1ecf"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ede nh\u1eefng b\u00e0i h\u1ecdc tr\u01b0\u1edbc, c\u00e1c b\u00e9 \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m quen v\u1edbi g\u00f3c v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 c\u1ea5u th\u00e0nh c\u1ee7a g\u00f3c. H\u00f4m nay, ch\u00fang ta s\u1ebd ti\u1ebfp t\u1ee5c t\u00ecm hi\u1ec3u c\u00e1c n\u1ed9i dung li\u00ean quan \u0111\u1ebfn g\u00f3c. V\u1eady th\u1ebf n\u00e0o \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 hai g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh? Ch\u00fang c\u00f3 t\u00ednh ch\u1ea5t g\u00ec? Ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 \u1ee9ng d\u1ee5ng nh\u1eefng t\u00ednh ch\u1ea5t n\u00e0y ra sao? H\u00e3y c\u00f9ng theo d\u00f5i b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y, Vietlearn s\u1ebd c\u00f9ng b\u1ea1n t\u00ecm hi\u1ec3u v\u00e0 gi\u1ea3i \u0111\u00e1p n\u1ed9i dung ki\u1ebfn th\u1ee9c h\u00ecnh h\u1ecdc \u0111\u1ea7u ti\u00ean c\u1ee7a <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">ch\u01b0\u01a1ng tr\u00ecnh l\u1edbp 7<\/a>.<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Hai g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ebd hai \u0111\u01b0\u1eddng th\u1eb3ng c\u1eaft nhau<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ta th\u1ea5y c\u00f3 4 g\u00f3c \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eadn x\u00e9t:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hai g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh c\u00f3 chung \u0111\u1ec9nh<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hai c\u1eb7p c\u1ea1nh c\u00f9ng n\u1eb1m tr\u00ean 2 \u0111\u01b0\u1eddng th\u1eb3ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">=&gt;\u0110\u1ecbnh ngh\u0129a v\u1ec1 hai g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">=&gt; Do \u0111\u00f3, n\u1ebfu m\u1ed7i c\u1ea1nh c\u1ee7a g\u00f3c kh\u00f4ng ph\u1ea3i l\u00e0 tia \u0111\u1ed1i c\u1ee7a m\u1ed7i c\u1ea1nh g\u00f3c kia th\u00ec hai g\u00f3c \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eadn bi\u1ebft: Khi hai \u0111\u01b0\u1eddng th\u1eb3ng c\u1eaft nhau, hai g\u00f3c kh\u00f4ng b\u00f9 nhau th\u00ec 2 g\u00f3c \u0111\u00f3 l\u00e0 g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\"><li>T\u00ednh ch\u1ea5t c\u1ee7a hai g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Ta c\u00f3 g\u00f3c O1 v\u00e0 O2 l\u00e0 2 g\u00f3c k\u1ec1 b\u00f9 =&gt; O1 + O2 = 180<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\"><li>M\u1eb9o ghi nh\u1edb<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft hai g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>C\u00f3 chung \u0111\u1ec9nh<\/li><li>C\u00e1c c\u1ea1nh c\u1ee7a g\u00f3c n\u00e0y thu\u1ed9c tia \u0111\u1ed1i c\u1ee7a c\u1ea1nh g\u00f3c kia<\/li><li>S\u1ed1 \u0111o c\u1ee7a g\u00f3c n\u00e0y b\u1eb1ng s\u1ed1 \u0111o c\u1ee7a g\u00f3c kia<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean 1 m\u1eb7t ph\u1eb3ng, d\u00f9 c\u00f3 nhi\u1ec1u g\u00f3c c\u00f3 c\u00f9ng s\u1ed1 \u0111o nh\u01b0ng m\u1ed9t g\u00f3c ch\u1ec9 c\u00f3 duy nh\u1ea5t m\u1ed9t g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh v\u1edbi ch\u00ednh n\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hai \u0111\u01b0\u1eddng th\u1eb3ng ho\u1eb7c \u0111o\u1ea1n th\u1eb3ng c\u1eaft nhau s\u1ebd t\u1ea1o ra 2 c\u1eb7p g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\"><li>B\u00e0i t\u1eadp v\u1ec1 hai g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i t\u1eadp 1:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cho s\u1ed1 \u0111o c\u00e1c g\u00f3c sau:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">xOy = 30\u2070<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">xOy = 45\u2070<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">xOy = 50\u2070<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">xOy = 90\u2070<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ec9 ra s\u1ed1 \u0111o c\u00e1c g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh c\u1ee7a ch\u00fang<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1eddi gi\u1ea3i:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ed1 \u0111o g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh c\u1ee7a xOy l\u00e0 30\u2070<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ed1 \u0111o g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh c\u1ee7a xOy l\u00e0 45\u2070<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ed1 \u0111o g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh c\u1ee7a xOy l\u00e0 50\u2070<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ed1 \u0111o g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh c\u1ee7a xOy l\u00e0 90\u2070<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i t\u1eadp 2:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cho m\u1ed9t g\u00f3c b\u1ea5t k\u1ef3, h\u00e3y tr\u00ecnh b\u00e0y c\u00e1ch v\u1ebd g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh c\u1ee7a g\u00f3c \u0111\u00e3 v\u1ebd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1eddi gi\u1ea3i:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb \u0111\u1ec9nh c\u1ee7a g\u00f3c \u0111\u00e3 cho, v\u1ebd 2 tia \u0111\u1ed1i c\u1ee7a 2 c\u1ea1nh c\u1ee7a g\u00f3c \u0111\u00e3 cho<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">G\u00f3c m\u1edbi \u0111\u01b0\u1ee3c t\u1ea1o ra l\u00e0 ch\u00ednh l\u00e0 g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i t\u1eadp 3:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ebd hai \u0111\u01b0\u1eddng th\u1eb3ng c\u1eaft nhau sao cho 1 g\u00f3c c\u00f3 s\u1ed1 \u0111o b\u1eb1ng 38 \u0111\u1ed9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh s\u1ed1 \u0111o c\u1ee7a c\u00e1c g\u00f3c c\u00f2n l\u1ea1i<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1eddi gi\u1ea3i:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec hai \u0111\u01b0\u1eddng th\u1eb3ng c\u1eaft nhau n\u00ean ta c\u00f3 hai c\u1eb7p g\u00f3c song xong O1 v\u1edbi O3, O2 v\u00e0 O4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O1 = O2 = 38<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ea1i c\u00f3 O1 v\u00e0 O2 l\u00e0 hai g\u00f3c k\u1ec1 b\u00f9:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O2 = O4 = (180 \u2013 38)\/2 = 71<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i t\u1eadp 4:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cho c\u00e1c c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng song song, c\u1eaft nhau, vu\u00f4ng g\u00f3c v\u00e0 tr\u00f9ng nhau. Ch\u1ec9 ra s\u1ed1 \u0111o c\u1ee7a c\u00e1c c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u00f3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1eddi gi\u1ea3i:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ta c\u00f3:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">+Hai \u0111\u01b0\u1eddng th\u1eb3ng song song kh\u00f4ng c\u1eaft nhau n\u00ean kh\u00f4ng c\u00f3 \u0111i\u1ec3m chung, do \u0111\u00f3 kh\u00f4ng c\u00f3 g\u00f3c \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh gi\u1eefa ch\u00fang. S\u1ed1 \u0111o b\u1eb1ng 0\u2070<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">+Hai \u0111\u01b0\u1eddng th\u1eb3ng c\u1eaft nhau t\u1ea1o ra nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p g\u00f3c kh\u00e1c nhau do \u0111\u00f3 c\u00e1c g\u00f3c t\u1ea1o th\u00e0nh c\u00f3 s\u1ed1 \u0111o &gt; 0\u2070 v\u00e0 \u2264 180\u2070<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">+Hai \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c t\u1ea1o ra c\u00e1c g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh c\u00f3 s\u1ed1 \u0111o b\u1eb1ng 90\u2070<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">+Hai \u0111\u01b0\u1eddng th\u1eb3ng tr\u00f9ng nhau c\u1eaft nhau t\u1ea1i v\u00f4 s\u1ed1 \u0111i\u1ec3m, s\u1ed1 \u0111o c\u1ee7a c\u00e1c g\u00f3c \u0111\u01b0\u1ee3c t\u1ea1o ra l\u00e0 180\u2070<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i t\u1eadp 5:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cho b\u1ea3ng s\u1ed1 \u0111o c\u1ee7a c\u00e1c g\u00f3c sau, h\u00e3y ho\u00e0n thi\u1ec7n s\u1ed1 \u0111o c\u1ee7a c\u00e1c g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh c\u1ee7a ch\u00fang<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ed1 \u0111o g\u00f3c 30\u2070 40\u2070 55\u2070 90\u2070 125\u2070 140\u2070 167\u2070 175\u2070<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">G\u00f3c \u0111\u1ed1i \u0111\u1ec9nh ? ? ? ? ? ? ? ?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1eddi gi\u1ea3i:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ed1 \u0111o g\u00f3c 30\u2070 40\u2070 55\u2070 90\u2070 125\u2070 140\u2070 167\u2070 175\u2070<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">G\u00f3c \u0111\u1ed1i \u0111\u1ec9nh 30\u2070 40\u2070 55\u2070 90\u2070 125\u2070 140\u2070 167\u2070 175\u2070<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\"><li>L\u00e0m sao \u0111\u1ec3 n\u1eafm ch\u1eafc ki\u1ebfn th\u1ee9c<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1eb7c \u0111i\u1ec3m chung c\u1ee7a c\u00e1c b\u1ea1n h\u1ecdc sinh l\u1edbp 6 \u2013 l\u1edbp 7 khi m\u1edbi l\u00ean c\u1ea5p THCS l\u00e0 ch\u01b0a quen v\u1edbi <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc<\/a> t\u1eadp v\u00e0 m\u00f4i tr\u01b0\u1eddng <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc t\u1eadp<\/a> m\u1edbi. Th\u1ef1c t\u1ebf ngay c\u1ea3 v\u1edbi nhi\u1ec1u h\u1ecdc sinh THPT, v\u1eabn ch\u01b0a c\u00f3 <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc<\/a> t\u1eadp hi\u1ec7u qu\u1ea3. V\u1edbi tr\u1ebb em l\u1edbp 6-7 d\u1ec5 b\u1ecb xao nh\u00e3ng, v\u1eabn kh\u00e1 kh\u00f3 \u0111\u1ec3 gi\u00fap c\u00e1c em <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc t\u1eadp<\/a> m\u1ed9t c\u00e1ch t\u1eadp trung.<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>H\u1ecdc \u00edt nh\u01b0ng ch\u1ea5t l\u01b0\u1ee3ng<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ec9 h\u1ecdc khi th\u1ef1c s\u1ef1 c\u1ea3m th\u1ea5y mu\u1ed1n h\u1ecdc. Tr\u1ebb em \u1edf tu\u1ed5i n\u00e0y th\u01b0\u1eddng v\u1eabn r\u1ea5t ham ch\u01a1i. N\u1ebfu h\u1ecdc t\u1eadp m\u1ed9t c\u00e1ch c\u1ee9ng nh\u1eafc d\u1ec5 khi\u1ebfn tr\u1ebb c\u1ea3m th\u1ea5y kh\u00f3 ch\u1ecbu v\u00e0 ch\u1ed1ng \u0111\u1ed1i, l\u00e0m cho c\u00f3. V\u00ec v\u1eady c\u00f3 th\u1ec3 nhi\u1ec1u b\u1ea1n h\u1ecdc sinh h\u1ecdc r\u1ea5t nhi\u1ec1u, l\u00fac n\u00e0o c\u0169ng ng\u1ed3i v\u00e0o b\u00e0n h\u1ecdc nh\u01b0ng th\u1ef1c t\u1ebf ch\u1ea5t l\u01b0\u1ee3ng ti\u1ebfp thu ki\u1ebfn th\u1ee9c l\u1ea1i kh\u00f4ng cao. V\u00ec v\u1eady h\u00e3y h\u1ecdc khi th\u1ef1c s\u1ef1 s\u1eb5n s\u00e0ng.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\"><li>H\u1ecdc nh\u1eefng ki\u1ebfn th\u1ee9c d\u1ec5 tr\u01b0\u1edbc<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u nghi\u00ean c\u1ee9u t\u00e2m l\u00fd h\u1ecdc tu\u1ed5i h\u1ecdc sinh cho th\u1ea5y n\u1ebfu tr\u1ebb b\u1eaft \u0111\u1ea7u h\u1ecdc b\u1eb1ng nh\u1eefng n\u1ed9i dung ki\u1ebfn th\u1ee9c kh\u00f3, h\u00f3c b\u00faa s\u1ebd khi\u1ebfn b\u1ea3n th\u00e2n tr\u1ebb c\u1ea3m th\u1ea5y nhanh ch\u00e1n hon. V\u00ec v\u1eady h\u00e3y kh\u1ecfi \u0111\u1ed9ng vi\u1ec7c h\u1ecdc b\u1eb1ng nh\u1eefng b\u00e0i t\u1eadp d\u1ec5, nh\u1eefng n\u1ed9i dung \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 t\u1ea1o h\u1ee9ng kh\u1edfi h\u1ecdc t\u1eadp. H\u1ecdc sinh n\u00ean tr\u00e1nh vi\u1ec7c qu\u00e1 \u0111\u1ea7u t\u01b0 cho n\u1ed9i dung kh\u00f3 v\u00e0 n\u00e2ng cao. H\u00e3y \u0111i\u1ec1u ch\u1ec9nh v\u00e0 ph\u00e2n b\u1ed5 th\u1eddi gian c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd v\u00e0 khoa h\u1ecdc.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\"><li>H\u00e3y \u0111\u1ea3m b\u1ea3o n\u1eafm ch\u1eafc ki\u1ebfn th\u1ee9c ngay t\u1ea1i l\u1edbp<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u h\u1ecdc sinh c\u00f3 th\u00f3i quen \u201ct\u00edch\u201d ki\u1ebfn th\u1ee9c t\u1edbi s\u00e1t bu\u1ed5i h\u1ecdc ti\u1ebfp theo m\u1edbi nh\u00e1o nh\u00e0o h\u1ecdc l\u1ea1i t\u1eeb \u0111\u1ea7u. Trong khi kh\u1ea3 n\u0103ng ghi nh\u1edb ki\u1ebfn th\u1ee9c s\u1ebd gi\u1ea3m d\u1ea7n qua th\u1eddi gian, \u0111\u1eb7c bi\u1ec7t, s\u1ebd ghi nh\u1edb ki\u1ebfn th\u1ee9c t\u1ed1t nh\u1ea5t n\u1ebfu nh\u01b0 c\u00f3 s\u1ef1 c\u1ee7ng c\u1ed1 ngay sau khi h\u1ecdc 1-2h. V\u00ec v\u1eady h\u00e3y c\u1ed1 g\u1eafng h\u1ecdc l\u1ea1i ki\u1ebfn th\u1ee9c ngay khi \u1edf tr\u00ean l\u1edbp. Tranh th\u1ee7 th\u1eddi gian gia ch\u01a1i ho\u1eb7c \u0111\u1ea7u ti\u1ebft h\u1ecdc, b\u1ea1n c\u00f3 th\u1ebb l\u00e0m c\u00e1c b\u00e0i t\u1eadp \u0111\u01a1n gi\u1ea3n trong s\u00e1ch gi\u00e1o khoa. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap b\u1ea1n n\u1eafm ch\u1eafc ki\u1ebfn th\u1ee9c, ti\u1ebft ki\u1ec7m th\u1eddi gian khi \u00f4n b\u00e0i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1eddi k\u1ebft:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hy v\u1ecdng v\u1edbi nh\u1eefng ki\u1ebfn th\u1ee9c v\u1ec1 hai g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh, Vietlearn \u0111\u00e3 gi\u00fap c\u00e1c b\u1ea1n t\u1ef1 tin v\u1edbi h\u00ecnh h\u1ecdc l\u1edbp 7. H\u00e3y \u00f4n luy\u1ec7n, l\u00e0m b\u00e0i t\u1eadp \u0111\u1ec3 c\u1ee7ng c\u1ed1 ki\u1ebfn th\u1ee9c \u0111\u00e3 h\u1ecdc nh\u00e9. \u0110\u1eebng qu\u00ean th\u01b0\u1eddng xuy\u00ean theo d\u00f5i Vietlearn \u0111\u1ec3 c\u1eadp nh\u1eefng b\u00e0i h\u1ecdc b\u1ed5 \u00edch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 Vietlearn<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ecdc tr\u1ef1c tuy\u1ebfn t\u1ea1i Vietlearn<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vietlearn l\u00e0 c\u00f4ng ty Edtech v\u1ec1 gi\u00e1o d\u1ee5c tr\u1ef1c tuy\u1ebfn, cung c\u1ea5p tr\u1ea3i nghi\u1ec7m h\u1ecdc t\u1eadp c\u00e1 nh\u00e2n cho h\u00e0ng tr\u0103m ngh\u00ecn h\u1ecdc sinh, sinh vi\u00ean v\u00e0 nh\u00e0 tr\u01b0\u1eddng \u0111\u1ec3 gi\u1ea3i \u0111\u00e1p nh\u1eefng y\u00eau c\u1ea7u trong vi\u1ec7c h\u1ecdc t\u1eadp Anh ng\u1eef th\u00f4ng qua m\u1ea1ng l\u01b0\u1edbi c\u00e1c chuy\u00ean gia v\u00e0 gi\u00e1o vi\u00ean kh\u1eafp to\u00e0n c\u1ea7u m\u00e0 ch\u00fang t\u00f4i g\u1ecdi l\u00e0 c\u00e1c gia s\u01b0 h\u1ecdc thu\u1eadt qu\u1ed1c t\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vietlearn mong mu\u1ed1n tr\u1edf th\u00e0nh h\u1ec7 th\u1ed1ng h\u1ecdc t\u1eadp th\u00edch \u1ee9ng s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI) v\u00e0 d\u1eef li\u1ec7u l\u1edbn h\u00e0ng \u0111\u1ea7u \u0110\u00f4ng Nam \u00c1. S\u1ee9 m\u1ec7nh c\u1ee7a Vietlearn l\u00e0 truy\u1ec1n c\u1ea3m h\u1ee9ng, truy\u1ec1n l\u1eeda, v\u00e0 b\u1ed3i d\u01b0\u1ee1ng th\u1ebf h\u1ec7 tr\u1ebb. Vietlearn mong mu\u1ed1n t\u1ea1o ra s\u1ef1 thay \u0111\u1ed5i v\u1ec1 tr\u00ed tu\u1ec7, nh\u1eadn th\u1ee9c x\u00e3 h\u1ed9i truy\u1ec1n c\u1ea3m h\u1ee9ng , gi\u00fap c\u00e1c em ph\u00e1t huy h\u1ebft ti\u1ec1m n\u0103ng trong vi\u1ec7c h\u1ecdc c\u0169ng nh\u01b0 \u0111i\u1ec3m m\u1ea1nh c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u0103ng k\u00fd kh\u00f3a h\u1ecdc cho con ngay h\u00f4m nay!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ho\u0323c Toa\u0301n 7 cu\u0300ng Vietlearn: Nh\u01b0\u0303ng \u0111i\u00ea\u0300u c\u00e2\u0300n bi\u00ea\u0301t v\u00ea\u0300 ti\u0309 l\u00ea\u0323 th\u01b0\u0301c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ho\u0323c Toa\u0301n 7 cu\u0300ng Vietlearn:<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn \u1ede nh\u1eefng b\u00e0i h\u1ecdc tr\u01b0\u1edbc, c\u00e1c b\u00e9 \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m quen v\u1edbi g\u00f3c v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 c\u1ea5u th\u00e0nh c\u1ee7a g\u00f3c. H\u00f4m nay, ch\u00fang ta s\u1ebd ti\u1ebfp t\u1ee5c t\u00ecm hi\u1ec3u c\u00e1c n\u1ed9i dung li\u00ean quan \u0111\u1ebfn g\u00f3c. V\u1eady th\u1ebf n\u00e0o \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 hai g\u00f3c \u0111\u1ed1i \u0111\u1ec9nh? Ch\u00fang c\u00f3 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[9,4],"tags":[],"class_list":["post-2537","post","type-post","status-publish","format-standard","hentry","category-toan-hoc","category-trung-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/2537","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=2537"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/2537\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=2537"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=2537"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=2537"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}