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{"id":44292,"date":"2019-10-15T13:57:34","date_gmt":"2019-10-15T06:57:34","guid":{"rendered":"https:\/\/lop12.edu.vn\/?p=44292"},"modified":"2019-10-15T13:57:35","modified_gmt":"2019-10-15T06:57:35","slug":"giai-toan-10-chuong-1-menh-de-tap-hop-bai-4-cac-tap-hop-so","status":"publish","type":"post","link":"https:\/\/lop12.edu.vn\/giai-toan-10-chuong-1-menh-de-tap-hop-bai-4-cac-tap-hop-so\/","title":{"rendered":"[Gi\u1ea3i To\u00e1n 10] Ch\u01b0\u01a1ng 1: M\u1ec7nh \u0111\u1ec1 – T\u1eadp h\u1ee3p\/ B\u00e0i 4: C\u00e1c t\u1eadp h\u1ee3p s\u1ed1"},"content":{"rendered":"\n

Tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi To\u00e1n 10 \u0110\u1ea1i s\u1ed1 B\u00e0i 4 trang 16<\/strong>: V\u1ebd bi\u1ec3u \u0111\u1ed3 minh h\u1ecda quan h\u1ec7 bao h\u00e0m c\u1ee7a c\u00e1c t\u1eadp h\u1ee3p s\u1ed1 \u0111\u00e3 h\u1ecdc.<\/ins><\/p>\n\n\n\n

L\u1eddi gi\u1ea3i<\/strong><\/p>\n\n\n\n

\"Gi\u1ea3i<\/figure>\n\n\n\n

B\u00e0i 1 (trang 18 SGK \u0110\u1ea1i s\u1ed1 10):<\/strong> X\u00e1c \u0111\u1ecbnh c\u00e1c t\u1eadp h\u1ee3p sau v\u00e0 bi\u1ec3u di\u1ec5n ch\u00fang tr\u00ean tr\u1ee5c s\u1ed1:<\/p>\n\n\n\n

a) [-3; 1) \u222a (0; 4]<\/p>\n\n\n\n

b) (0; 2] \u222a [-1; 1)<\/ins><\/p>\n\n\n\n

c) (-2; 15) \u222a (3; +\u221e)<\/p>\n\n\n\n

\"Gi\u1ea3i<\/figure>\n\n\n\n

e) (-\u221e; 1) \u222a (-2; +\u221e)<\/p>\n\n\n\n

L\u1eddi gi\u1ea3i:<\/strong>\na) [-3;1) = {x \u2208 R| -3 \u2264 x < 1}\n(0;4] = {x \u2208 R| 0 < x \u2264 4}\n \n\u21d2 [-3;1) \u222a (0;4] = {x \u2208 R| -3 \u2264 x < 1 ho\u1eb7c 0 < x \u2264 4} = {x \u2208 R| -3 \u2264 x \u2264 4} = [-3;4]\nBi\u1ec3u di\u1ec5n [\u20133; 4] tr\u00ean tr\u1ee5c s\u1ed1: \n<\/p>\n\n\n\n

\"Gi\u1ea3i<\/figure>\n\n\n\n

\nT\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady: \nb) (0; 2] \u222a [\u20131; 1) = [\u20131; 2]\n<\/p>\n\n\n\n

\"Gi\u1ea3i<\/figure>\n\n\n\n

<\/ins><\/p>\n\n\n\n

c) (-2; 15) \u222a (3; +\u221e) = (-2; +\u221e)\t<\/p>\n\n\n\n

\"Gi\u1ea3i<\/figure>\n\n\n\n

e) (-\u221e; 1) \u222a (-2; +\u221e) = (-\u221e; +\u221e)<\/p>\n\n\n\n

\"Gi\u1ea3i<\/figure>\n\n\n\n

B\u00e0i 2 (trang 18 SGK \u0110\u1ea1i s\u1ed1 10):<\/strong> X\u00e1c \u0111\u1ecbnh c\u00e1c t\u1eadp h\u1ee3p sau v\u00e0 bi\u1ec3u di\u1ec5n ch\u00fang tr\u00ean tr\u1ee5c s\u1ed1:<\/p>\n\n\n\n

a) (-12; 3] \u2229 [-1; 4] ; \t        \tb) (4; 7) \u2229 (-7; -4)<\/p>\n\n\n\n

c) (2; 3) \u2229 [3; 5)\t;\t\t        \td) (-\u221e; 2] \u2229 [-2; +\u221e)<\/p>\n\n\n\n

L\u1eddi gi\u1ea3i:<\/strong><\/ins><\/p>\n\n\n\n

a) (-12; 3] \u2229 [-1; 4] = [-1; 3]<\/p>\n\n\n\n

\"Gi\u1ea3i<\/figure>\n\n\n\n

b) (4; 7) \u2229 (-7; -4) = \u2205<\/p>\n\n\n\n

\"Gi\u1ea3i<\/figure>\n\n\n\n

<\/ins><\/p>\n\n\n\n

c) (2; 3) \u2229 [3; 5) = \u2205<\/p>\n\n\n\n

\"Gi\u1ea3i<\/figure>\n\n\n\n

d) (-\u221e; 2] \u2229 [-2; +\u221e) = [-2; 2]<\/p>\n\n\n\n

\"Gi\u1ea3i<\/figure>\n\n\n\n

B\u00e0i 3 (trang 18 SGK \u0110\u1ea1i s\u1ed1 10):<\/strong> X\u00e1c \u0111\u1ecbnh c\u00e1c t\u1eadp h\u1ee3p sau v\u00e0 bi\u1ec3u di\u1ec5n ch\u00fang tr\u00ean tr\u1ee5c s\u1ed1:<\/p>\n\n\n\n

a) (-2; 3) \\ (1; 5)\t;\t        b) (-2; 3) \\ [1; 5)<\/p>\n\n\n\n

c) R \\ (2; +\u221e)\t;\t        d) R \\ (-\u221e; 3]<\/p>\n\n\n\n

L\u1eddi gi\u1ea3i:<\/strong><\/ins><\/p>\n\n\n\n

a) (-2; 3) \\ (1; 5) = (-2; 1]<\/p>\n\n\n\n

\"Gi\u1ea3i<\/figure>\n\n\n\n

b) (-2; 3) \\ [1; 5) = (-2; 1)\t<\/p>\n\n\n\n

\"Gi\u1ea3i<\/figure>\n\n\n\n

<\/ins><\/p>\n\n\n\n

c) R \\ (2; +\u221e) = (-\u221e; 2]<\/p>\n\n\n\n

\"Gi\u1ea3i<\/figure>\n\n\n\n

d) R \\ (-\u221e; 3] = (3; +\u221e)<\/p>\n\n\n\n

\"Gi\u1ea3i<\/figure>\n","protected":false},"excerpt":{"rendered":"

Tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi To\u00e1n 10 \u0110\u1ea1i s\u1ed1 B\u00e0i 4 trang 16: V\u1ebd bi\u1ec3u \u0111\u1ed3 minh h\u1ecda quan h\u1ec7 bao h\u00e0m c\u1ee7a c\u00e1c t\u1eadp h\u1ee3p s\u1ed1 \u0111\u00e3 h\u1ecdc. L\u1eddi gi\u1ea3i B\u00e0i 1 (trang 18 SGK \u0110\u1ea1i s\u1ed1 10): X\u00e1c \u0111\u1ecbnh c\u00e1c t\u1eadp h\u1ee3p sau v\u00e0 bi\u1ec3u di\u1ec5n ch\u00fang tr\u00ean tr\u1ee5c s\u1ed1: a) [-3; 1) \u222a […]<\/p>\n","protected":false},"author":12,"featured_media":44309,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1633],"tags":[],"yoast_head":"\n[Gi\u1ea3i To\u00e1n 10] Ch\u01b0\u01a1ng 1: M\u1ec7nh \u0111\u1ec1 - T\u1eadp h\u1ee3p\/ B\u00e0i 4: C\u00e1c t\u1eadp h\u1ee3p s\u1ed1<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/giai-toan-10-chuong-1-menh-de-tap-hop-bai-4-cac-tap-hop-so\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Gi\u1ea3i To\u00e1n 10] Ch\u01b0\u01a1ng 1: M\u1ec7nh \u0111\u1ec1 - T\u1eadp h\u1ee3p\/ B\u00e0i 4: C\u00e1c t\u1eadp h\u1ee3p s\u1ed1\" \/>\n<meta property=\"og:description\" content=\"Tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi To\u00e1n 10 \u0110\u1ea1i s\u1ed1 B\u00e0i 4 trang 16: V\u1ebd bi\u1ec3u \u0111\u1ed3 minh h\u1ecda quan h\u1ec7 bao h\u00e0m c\u1ee7a c\u00e1c t\u1eadp h\u1ee3p s\u1ed1 \u0111\u00e3 h\u1ecdc. 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