{"id":1033,"date":"2021-10-08T13:04:28","date_gmt":"2021-10-08T13:04:28","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=1033"},"modified":"2021-10-14T22:10:37","modified_gmt":"2021-10-14T15:10:37","slug":"phep-nhan-cac-phan-thuc-dai-so-luyen-ly-thuyet-va-bai-tap-cung-toppy","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/phep-nhan-cac-phan-thuc-dai-so-luyen-ly-thuyet-va-bai-tap-cung-toppy\/","title":{"rendered":"Ph\u00e9p nh\u00e2n c\u00e1c ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1 \u2013 Luy\u1ec7n l\u00fd thuy\u1ebft v\u00e0 b\u00e0i t\u1eadp"},"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\">Ph\u00e9p nh\u00e2n c\u00e1c ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1 l\u00e0 m\u1ed9t trong nh\u1eefng d\u1ea1ng To\u00e1n c\u01a1 b\u1ea3n trong ch\u01b0\u01a1ng tr\u00ecnh ph\u1ed5 th\u00f4ng. \u0110\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n<\/a> bao g\u1ed3m t\u00ednh ch\u1ea5t, quy t\u1eafc v\u00e0 c\u00e1c d\u1ea1ng b\u00e0i t\u1eadp th\u01b0\u1eddng g\u1eb7p. H\u00e3y c\u00f9ng Vietlearn.org\/ theo d\u00f5i b\u00e0i gi\u1ea3ng sau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I. L\u00fd thuy\u1ebft ph\u00e9p nh\u00e2n c\u00e1c ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Quy t\u1eafc:<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 nh\u00e2n c\u00e1c ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1, ta ti\u1ebfn h\u00e0nh nh\u00e2n t\u1eed th\u1ee9c v\u1edbi nhau v\u00e0 m\u1eabu th\u1ee9c v\u1edbi nhau sau \u0111\u00f3 r\u00fat g\u1ecdn ph\u00e2n th\u1ee9c v\u1eeba m\u1edbi t\u00ecm \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Minh h\u1ecda quy t\u1eafc nh\u00e2n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00fd thuy\u1ebft ph\u00e9p nh\u00e2n c\u00e1c ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5 minh h\u1ecda:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5 minh h\u1ecda v\u1ec1 ph\u00e9p nh\u00e2n c\u00e1c ph\u00e2n th\u1ee9c<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\"><li>T\u00ednh ch\u1ea5t ph\u00e9p nh\u00e2n c\u1ee7a c\u00e1c ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1:<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh ch\u1ea5t giao ho\u00e1n:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Minh h\u1ecda t\u00ednh ch\u1ea5t giao ho\u00e1n c\u1ee7a ph\u00e9p nh\u00e2n c\u00e1c ph\u00e2n th\u1ee9c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh ch\u1ea5t k\u1ebft h\u1ee3p:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Minh h\u1ecda t\u00ednh ch\u1ea5t k\u1ebft h\u1ee3p c\u1ee7a ph\u00e9p nh\u00e2n c\u00e1c ph\u00e2n th\u1ee9c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh ch\u1ea5t ph\u00e2n ph\u1ed1i v\u1edbi ph\u00e9p c\u1ed9ng:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Minh h\u1ecda t\u00ednh ch\u1ea5t ph\u00e2n ph\u1ed1i v\u1edbi ph\u00e9p c\u1ed9ng c\u1ee7a ph\u00e9p nh\u00e2n c\u00e1c ph\u00e2n th\u1ee9c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">II. D\u1ea1ng to\u00e1n hay g\u1eb7p:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>D\u1ea1ng 1: Th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh v\u00e0 r\u00fat g\u1ecdn bi\u1ec3u th\u1ee9c.<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1ch th\u1ee9c th\u1ef1c hi\u1ec7n:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 1: Ph\u00e2n t\u00edch c\u00e1c \u0111a th\u1ee9c \u0111\u00e3 cho th\u00e0nh nh\u00e2n t\u1eed (n\u1ebfu c\u1ea7n thi\u1ebft).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 2: S\u1eed d\u1ee5ng c\u00e1c quy t\u1eafc c\u1ee7a ph\u00e9p chia, ph\u00e9p nh\u00e2n c\u00e1c ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1 theo l\u00fd thuy\u1ebft.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Minh h\u1ecda vi\u1ec7c \u1ee9ng d\u1ee5ng quy t\u1eafc ph\u00e9p nh\u00e2n ph\u00e2n th\u1ee9c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Minh h\u1ecda vi\u1ec7c \u1ee9ng d\u1ee5ng quy t\u1eafc ph\u00e9p chia ph\u00e2n th\u1ee9c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(\u0110i\u1ec1u ki\u1ec7n: CD0)<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\"><li>D\u1ea1ng 2: T\u00ednh to\u00e1n gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c t\u1ea1i gi\u00e1 tr\u1ecb cho tr\u01b0\u1edbc c\u1ee7a bi\u1ebfn.<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1ch th\u1ee9c th\u1ef1c hi\u1ec7n:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 1: Th\u1ef1c hi\u1ec7n r\u00fat g\u1ecdn bi\u1ec3u th\u1ee9c \u0111\u00e3 cho (r\u00fat g\u1ecdn b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng nh\u1eefng quy t\u1eafc ph\u00e9p chia v\u00e0 ph\u00e9p nh\u00e2n c\u00e1c ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1, \u0111\u1eb7c bi\u1ec7t l\u00e0 ph\u00e2n t\u00edch c\u00e1c \u0111a th\u1ee9c \u0111\u00e3 cho th\u00e0nh nh\u00e2n t\u1eed)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 2: T\u1ea1i \u0111a th\u1ee9c \u0111\u00e3 r\u00fat g\u1ecdn, ti\u1ebfn h\u00e0nh thay gi\u00e1 tr\u1ecb \u0111\u00e3 cho c\u1ee7a bi\u1ebfn v\u00e0o trong \u0111a th\u1ee9c, sau \u0111\u00f3 th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh nh\u01b0 b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c d\u1ea1ng to\u00e1n ph\u00e9p nh\u00e2n ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1 th\u01b0\u1eddng hay g\u1eb7p<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p> Ph\u00e9p tr\u1eeb c\u00e1c ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">III. B\u00e0i t\u1eadp ph\u00e9p nh\u00e2n c\u00e1c ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e9p nh\u00e2n c\u00e1c ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1 l\u00e0 m\u1ed9t trong nh\u1eefng l\u00fd thuy\u1ebft quan tr\u1ecdng trong ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc l\u1edbp 8 l\u00e0 Trung h\u1ecdc c\u01a1 s\u1edf. \u0110\u1ec3 gi\u00fap c\u00e1c em h\u1ec7 th\u1ed1ng h\u00f3a l\u1ea1i ki\u1ebfn th\u1ee9c l\u00fd thuy\u1ebft c\u01a1 b\u1ea3n c\u0169ng nh\u01b0 \u00e1p d\u1ee5ng gi\u1ea3i \u0111\u01b0\u1ee3c trong c\u00e1c k\u1ef3 thi. D\u01b0\u1edbi \u0111\u00e2y s\u1ebd l\u00e0 m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp ph\u00e9p nh\u00e2n c\u00e1c ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1 sbt c\u01a1 b\u1ea3n v\u00e0 tr\u1ecdng t\u00e2m nh\u1ea5t gi\u00fap c\u00e1c em n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c.<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Gi\u1ea3i s\u00e1ch b\u00e0i t\u1eadp ph\u00e9p nh\u00e2n c\u00e1c ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1:<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i t\u1eadp 1: (B\u00e0i 29\/SBT To\u00e1n l\u1edbp 8, t\u1eadp 1, trang 32)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ef1c hi\u1ec7n ph\u00e9p nh\u00e2n c\u1ee7a c\u00e1c ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1 \u0111\u00e3 cho d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i t\u1eadp \u1ee9ng d\u1ee5ng quy t\u1eafc ph\u00e9p nh\u00e2n ph\u00e2n th\u1ee9c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i t\u1eadp 2: (B\u00e0i 30\/SBT To\u00e1n l\u1edbp 8, t\u1eadp 1, trang 32)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">R\u00fat g\u1ecdn nh\u1eefng bi\u1ec3u th\u1ee9c \u0111\u1ea1i s\u1ed1 d\u01b0\u1edbi \u0111\u00e2y (l\u01b0u \u00fd c\u1ea7n d\u00f9ng quy t\u1eafc \u0111\u1ed5i d\u1ea5u \u0111\u1ec3 c\u00f3 th\u1ec3 thay nh\u00e2n t\u1eed chung)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i t\u1eadp \u1ee9ng d\u1ee5ng quy t\u1eafc ph\u00e9p nh\u00e2n ph\u00e2n th\u1ee9c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i t\u1eadp 3: (B\u00e0i 31\/SBT To\u00e1n l\u1edbp 8, t\u1eadp 1, trang 32)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ef1c hi\u1ec7n ph\u00e2n t\u00edch nh\u1eefng m\u1eabu th\u1ee9c (n\u1ebfu c\u1ea7n thi\u1ebft h\u00e3y d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p th\u00eam ho\u1eb7c b\u1edbt c\u00f9ng h\u1ea1ng t\u1eed hay c\u00f3 th\u1ec3 d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch m\u1ed9t h\u1ea1ng t\u1eed tr\u1edf th\u00e0nh hai h\u1ea1ng t\u1eed), sau \u0111\u00f3 th\u1ef1c hi\u1ec7n r\u00fat g\u1ecdn nh\u1eefng bi\u1ec3u th\u1ee9c \u0111\u1ea1i s\u1ed1 \u0111\u00e3 ph\u00e2n t\u00edch \u0111\u01b0\u1ee3c d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i t\u1eadp \u1ee9ng d\u1ee5ng quy t\u1eafc ph\u00e9p nh\u00e2n ph\u00e2n th\u1ee9c<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\"><li>C\u00e1c b\u00e0i t\u1eadp b\u1ed5 sung:<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Qua b\u00e0i gi\u1ea3ng v\u00e0 c\u00e1c b\u00e0i t\u1eadp trong s\u00e1ch b\u00e0i t\u1eadp tr\u00ean, c\u00e1c em c\u1ea7n ho\u00e0n th\u00e0nh \u0111\u01b0\u1ee3c 1 s\u1ed1 m\u1ee5c ti\u00eau c\u01a1 b\u1ea3n m\u00e0 b\u00e0i gi\u1ea3ng \u0111\u1ec1 ra nh\u01b0:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1eafm v\u1eefng \u0111\u01b0\u1ee3c c\u00e1c quy t\u1eafc, t\u00ednh ch\u1ea5t v\u00e0 c\u00e1c d\u1ea1ng to\u00e1n hay g\u1eb7p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c nh\u1eefng ki\u1ebfn th\u1ee9c tr\u00ean \u0111\u1ec3 gi\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c d\u1ea1ng b\u00e0i t\u1eadp li\u00ean quan t\u1eeb c\u01a1 b\u1ea3n cho \u0111\u1ebfn n\u00e2ng cao.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00ean c\u1ea1nh nh\u1eefng d\u1ea1ng b\u00e0i t\u1eadp c\u01a1 b\u1ea3n c\u00f2n c\u00f3 c\u00e1c d\u1ea1ng b\u00e0i t\u1eadp b\u1ed5 sung n\u00e2ng cao sau, gi\u00fap c\u00e1c em n\u00e2ng cao \u0111\u01b0\u1ee3c <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">k\u1ef9 n\u0103ng<\/a> v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec3m t\u1ed1t trong c\u00e1c k\u1ef3 thi:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i t\u1eadp ph\u00e9p nh\u00e2n c\u1ee7a c\u00e1c ph\u1ea7n th\u1ee9c \u0111\u1ea1i s\u1ed1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i t\u1eadp 1: (B\u00e0i 7.1\/SBT To\u00e1n l\u1edbp 8, t\u1eadp 1, trang 33)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ef1c hi\u1ec7n nh\u1eefng ph\u00e9p t\u00ednh \u0111\u00e3 cho d\u01b0\u1edbi \u0111\u00e2y b\u1eb1ng 2 c\u00e1ch kh\u00e1c nhau: S\u1eed d\u1ee5ng t\u00ednh ch\u1ea5t ph\u00e2n ph\u1ed1i gi\u1eefa ph\u00e9p nh\u00e2n \u0111\u1ed1i v\u1edbi ph\u00e9p c\u1ed9ng v\u00e0 c\u00e1ch th\u1ee9 hai l\u00e0 kh\u00f4ng s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh c\u00e1c bi\u1ec3u th\u1ee9c \u0111\u1ea1i s\u1ed1 d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i t\u1eadp \u1ee9ng d\u1ee5ng quy t\u1eafc ph\u00e9p nh\u00e2n ph\u00e2n th\u1ee9c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e9p nh\u00e2n c\u00e1c ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1 l\u00e0 d\u1ea1ng to\u00e1n nh\u00e2n t\u1eed th\u1ee9c v\u1edbi nhau v\u00e0 m\u1eabu th\u1ee9c v\u1edbi nhau. \u0110\u00e2y l\u00e0 d\u1ea1ng to\u00e1n tr\u1ecdng t\u00e2m trong ch\u01b0\u01a1ng tr\u00ecnh \u0111\u1ea1i s\u1ed1 l\u1edbp 7, \u0111\u1eb7c bi\u1ec7t l\u00e0 th\u01b0\u1eddng g\u1eb7p trong c\u00e1c b\u00e0i ki\u1ec3m tra. Ch\u00ednh v\u00ec v\u1eady Vietlearn.org\/ hy v\u1ecdng \u0111\u00e2y s\u1ebd l\u00e0 nh\u1eefng ki\u1ebfn th\u1ee9c b\u1ed5 \u00edch gi\u00fap c\u00e1c em \u00f4n t\u1eadp \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec3m t\u1ed1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e9p chia c\u00e1c ph\u1ea7n th\u1ee9c \u0111\u1ea1i s\u1ed1 v\u00e0 c\u00e1c d\u1ea1ng b\u00e0i t\u1eadp hay g\u1eb7p<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn Ph\u00e9p nh\u00e2n c\u00e1c ph\u00e2n th\u1ee9c \u0111\u1ea1i s\u1ed1 l\u00e0 m\u1ed9t trong nh\u1eefng d\u1ea1ng To\u00e1n c\u01a1 b\u1ea3n trong ch\u01b0\u01a1ng tr\u00ecnh ph\u1ed5 th\u00f4ng. \u0110\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n bao g\u1ed3m t\u00ednh ch\u1ea5t, quy t\u1eafc v\u00e0 c\u00e1c d\u1ea1ng b\u00e0i t\u1eadp th\u01b0\u1eddng g\u1eb7p. H\u00e3y c\u00f9ng Vietlearn.org\/ theo d\u00f5i b\u00e0i gi\u1ea3ng sau. I. [&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],"tags":[],"class_list":["post-1033","post","type-post","status-publish","format-standard","hentry","category-toan-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/1033","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=1033"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/1033\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=1033"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=1033"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=1033"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}