{"id":536,"date":"2022-05-13T22:04:31","date_gmt":"2022-05-13T15:04:31","guid":{"rendered":"http:\/\/azfree.co\/?p=536"},"modified":"2022-08-03T15:11:09","modified_gmt":"2022-08-03T08:11:09","slug":"tren-cung-mot-quang-duong-neu-van-toc-tang-25-thi-thoi-gian-giam-bao-nhieu","status":"publish","type":"post","link":"https:\/\/123.guong.com.vn\/?p=536","title":{"rendered":"Tr\u00ean c\u00f9ng m\u1ed9t qu\u00e3ng \u0111\u01b0\u1eddng, n\u1ebfu v\u1eadn t\u1ed1c t\u0103ng 25% th\u00ec th\u1eddi gian gi\u1ea3m bao nhi\u00eau %."},"content":{"rendered":"\n

\"C\u00f4ng<\/p>\n

Ta c\u00f3 c\u00f4ng th\u1ee9c: S = v x t<\/p>\n

Khi v\u1eadn t\u1ed1c t\u0103ng 25%, ta c\u00f3 v’ = 5\/4v<\/p>\n

Qu\u00e3ng \u0111\u01b0\u1eddng kh\u00f4ng thay \u0111\u1ed5i n\u00ean S = v x t = v’ x t’ (t’ l\u00e0 th\u1eddi gian sau khi v\u1eadn t\u1ed1c t\u0103ng 25%)<\/p>\n

<=> 5\/4v x t’ = v x t<\/p>\n

<=> t’ \/ t = v \/ (5\/4v)<\/p>\n

<=> t’ \/ t = 4\/5 = 0.8<\/p>\n

<=> t’ = 0.8 x t<\/p>\n

V\u1eady, sau khi v\u1eadn t\u1ed1c t\u0103ng 25% th\u00ec th\u1eddi gian gi\u1ea3m 20%<\/p>\n","protected":false},"excerpt":{"rendered":"

Ta c\u00f3 c\u00f4ng th\u1ee9c: S = v x t Khi v\u1eadn t\u1ed1c t\u0103ng 25%, ta c\u00f3 v’ = 5\/4v Qu\u00e3ng \u0111\u01b0\u1eddng kh\u00f4ng thay \u0111\u1ed5i n\u00ean S = v x t = v’ x t’ (t’ l\u00e0 th\u1eddi gian sau khi v\u1eadn t\u1ed1c t\u0103ng 25%) <=> 5\/4v x t’ = v x t <=> t’ \/ […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[113],"tags":[],"series":[],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"yoast_head":"\nTr\u00ean c\u00f9ng m\u1ed9t qu\u00e3ng \u0111\u01b0\u1eddng, n\u1ebfu v\u1eadn t\u1ed1c t\u0103ng 25% th\u00ec th\u1eddi gian gi\u1ea3m bao nhi\u00eau %. - Ora Et Labora<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tr\u00ean c\u00f9ng m\u1ed9t qu\u00e3ng \u0111\u01b0\u1eddng, n\u1ebfu v\u1eadn t\u1ed1c t\u0103ng 25% th\u00ec th\u1eddi gian gi\u1ea3m bao nhi\u00eau %.\" \/>\n<meta property=\"og:description\" content=\"Ta c\u00f3 c\u00f4ng th\u1ee9c: S = v x t Khi v\u1eadn t\u1ed1c t\u0103ng 25%, ta c\u00f3 v’ = 5\/4v Qu\u00e3ng \u0111\u01b0\u1eddng kh\u00f4ng thay \u0111\u1ed5i n\u00ean S = v x t = v’ x t’ (t’ l\u00e0 th\u1eddi gian sau khi v\u1eadn t\u1ed1c t\u0103ng 25%) <=> 5\/4v x t’ = v x t <=> t’ \/ […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/123.guong.com.vn\/?p=536\" \/>\n<meta property=\"og:site_name\" content=\"Ora Et Labora\" \/>\n<meta property=\"article:published_time\" content=\"2022-05-13T15:04:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-08-03T08:11:09+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/azfree.co\/wp-content\/uploads\/2022\/05\/cong-thuc-tinh-van-toc.png\" \/>\n<meta name=\"author\" content=\"OraEtLabora\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"OraEtLabora\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/123.guong.com.vn\/?p=536#article\",\"isPartOf\":{\"@id\":\"https:\/\/123.guong.com.vn\/?p=536\"},\"author\":{\"name\":\"OraEtLabora\",\"@id\":\"https:\/\/123.guong.com.vn\/#\/schema\/person\/bbcd132a29afe5f5e0c65f4b780d9577\"},\"headline\":\"Tr\u00ean c\u00f9ng m\u1ed9t qu\u00e3ng \u0111\u01b0\u1eddng, n\u1ebfu v\u1eadn t\u1ed1c t\u0103ng 25% th\u00ec th\u1eddi gian gi\u1ea3m bao nhi\u00eau %.\",\"datePublished\":\"2022-05-13T15:04:31+00:00\",\"dateModified\":\"2022-08-03T08:11:09+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/123.guong.com.vn\/?p=536\"},\"wordCount\":115,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/123.guong.com.vn\/#\/schema\/person\/bbcd132a29afe5f5e0c65f4b780d9577\"},\"image\":{\"@id\":\"https:\/\/123.guong.com.vn\/?p=536#primaryimage\"},\"thumbnailUrl\":\"http:\/\/azfree.co\/wp-content\/uploads\/2022\/05\/cong-thuc-tinh-van-toc.png\",\"articleSection\":[\"To\u00e1n h\u1ecdc\"],\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/123.guong.com.vn\/?p=536#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/123.guong.com.vn\/?p=536\",\"url\":\"https:\/\/123.guong.com.vn\/?p=536\",\"name\":\"Tr\u00ean c\u00f9ng m\u1ed9t qu\u00e3ng \u0111\u01b0\u1eddng, n\u1ebfu v\u1eadn t\u1ed1c t\u0103ng 25% th\u00ec th\u1eddi gian gi\u1ea3m bao nhi\u00eau %. - 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