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HomeToán lớp 6 Tập 2Những hình hình học cơ bảnBài 33: Điểm nằm giữa hai tia. TiaBài tập cơ bản
{"common":{"save":0,"post_id":"4654","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7189","post_id":"4654","mon_id":"1158113","chapter_id":"1158164","question":"<p>Cho 4 \u0111i\u1ec3m C, D, B, E c&ugrave;ng n\u1eb1m tr&ecirc;n \u0111\u01b0\u1eddng th\u1eb3ng xy nh\u01b0 h&igrave;nh v\u1ebd d\u01b0\u1edbi \u0111&acirc;y. Ch\u1ecdn c&acirc;u <strong>\u0111&uacute;ng<\/strong>.<\/p><p><span class=\"svgedit\"><svg height=\"144\" width=\"286\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"146\" id=\"canvas_background\" width=\"288\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><image height=\"138\" id=\"svg_1\" width=\"279\" x=\"2.5\" xlink:href=\"data:image\/png;base64,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\" y=\"3\"><\/image> <\/g> <\/svg><\/span><\/p>","options":["<b>A.<\/b> \u0110i\u1ec3m D n\u1eb1m gi\u1eefa hai \u0111i\u1ec3m E v&agrave; B.","<strong>B.<\/strong> \u0110i\u1ec3m C n\u1eb1m gi\u1eefa hai \u0111i\u1ec3m D v&agrave; B.","<b>C.<\/b> \u0110i\u1ec3m E n\u1eb1m gi\u1eefa hai \u0111i\u1ec3m C v&agrave; B.","<strong>D.<\/strong> \u0110i\u1ec3m D n\u1eb1m gi\u1eefa hai \u0111i\u1ec3m C v&agrave; E."],"correct":"4","level":"1","hint":"<p>D\u1ef1a v&agrave;o v\u1ecb tr&iacute; c\u1ee7a ba \u0111i\u1ec3m tr&ecirc;n m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng.<\/p>","answer":"<p><strong>A.<\/strong>&nbsp; \u0110i\u1ec3m D&nbsp;n\u1eb1m gi\u1eefa hai \u0111i\u1ec3m E&nbsp;v&agrave; B.&nbsp; (Sai)<\/p><p><strong>B.<\/strong>&nbsp; \u0110i\u1ec3m C&nbsp;n\u1eb1m gi\u1eefa hai \u0111i\u1ec3m D&nbsp;v&agrave; B.&nbsp; (Sai)<\/p><p><strong>C.<\/strong>&nbsp; \u0110i\u1ec3m E&nbsp;n\u1eb1m gi\u1eefa hai \u0111i\u1ec3m C v&agrave; B.&nbsp; (Sai)<\/p><p><span style=\"color:#16a085;\"><strong>D.&nbsp;<\/strong> \u0110i\u1ec3m D n\u1eb1m gi\u1eefa hai \u0111i\u1ec3m C v&agrave; E.&nbsp; (\u0110&uacute;ng)<\/span><\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp; <strong><span style=\"color:#16a085;\">D.<\/span><span style=\"color:#16a085;\">&nbsp;\u0110i\u1ec3m D n\u1eb1m gi\u1eefa hai \u0111i\u1ec3m C v&agrave; E.<\/span><\/strong><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"3","date":"2021-09-04 12:49:44","option_type":"txt","len":2},{"id":"7194","post_id":"4654","mon_id":"1158113","chapter_id":"1158164","question":"<p>Cho 4 \u0111i\u1ec3m<strong> C, D, B, E<\/strong> c&ugrave;ng n\u1eb1m tr&ecirc;n \u0111\u01b0\u1eddng th\u1eb3ng <strong>xy <\/strong>nh\u01b0 h&igrave;nh v\u1ebd d\u01b0\u1edbi \u0111&acirc;y. Ch\u1ecdn c&acirc;u <strong>\u0111&uacute;ng<\/strong>.<\/p><p><span class=\"svgedit\"><svg height=\"148\" width=\"284\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"150\" id=\"canvas_background\" width=\"286\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><image height=\"138\" id=\"svg_1\" width=\"279\" x=\"2.5\" xlink:href=\"data:image\/png;base64,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\" y=\"7\"><\/image> <\/g> <\/svg><\/span><\/p>","options":["<b>A.<\/b> \u0110i\u1ec3m E v&agrave; \u0111i\u1ec3m B n\u1eb1m c&ugrave;ng ph&iacute;a \u0111\u1ed1i v\u1edbi \u0111i\u1ec3m C.","<strong>B.<\/strong> \u0110i\u1ec3m D v&agrave; \u0111i\u1ec3m E n\u1eb1m c&ugrave;ng ph&iacute;a \u0111\u1ed1i v\u1edbi \u0111i\u1ec3m B.","<strong>C.<\/strong> \u0110i\u1ec3m B v&agrave; \u0111i\u1ec3m C n\u1eb1m c&ugrave;ng ph&iacute;a \u0111\u1ed1i v\u1edbi \u0111i\u1ec3m D.","<strong>D.<\/strong> \u0110i\u1ec3m C v&agrave; \u0111i\u1ec3m E n\u1eb1m c&ugrave;ng ph&iacute;a \u0111\u1ed1i v\u1edbi \u0111i\u1ec3m D."],"correct":"1","level":"1","hint":"<p>D\u1ef1a v&agrave;o v\u1ecb tr&iacute; c\u1ee7a ba \u0111i\u1ec3m tr&ecirc;n m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng.<\/p>","answer":"<p><span style=\"color:#16a085;\"><strong>A.<\/strong>&nbsp; \u0110i\u1ec3m E&nbsp;v&agrave; \u0111i\u1ec3m B n\u1eb1m c&ugrave;ng ph&iacute;a \u0111\u1ed1i v\u1edbi \u0111i\u1ec3m C. (\u0110&uacute;ng)<\/span><\/p><p><strong>B.&nbsp;<\/strong> \u0110i\u1ec3m D&nbsp;v&agrave; \u0111i\u1ec3m E n\u1eb1m c&ugrave;ng ph&iacute;a \u0111\u1ed1i v\u1edbi \u0111i\u1ec3m B. (<span style=\"color:#c0392b;\">Sai <\/span>v&igrave; D v&agrave; E n\u1eb1m kh&aacute;c ph&iacute;a \u0111\u1ed1i v\u1edbi B)<\/p><p><strong>C.&nbsp;<\/strong> \u0110i\u1ec3m B v&agrave; \u0111i\u1ec3m C&nbsp;n\u1eb1m c&ugrave;ng ph&iacute;a \u0111\u1ed1i v\u1edbi \u0111i\u1ec3m D.&nbsp;(<span style=\"color:#c0392b;\">Sai <\/span>v&igrave; B&nbsp;v&agrave; C&nbsp;n\u1eb1m kh&aacute;c ph&iacute;a \u0111\u1ed1i v\u1edbi D)<\/p><p><strong>D.&nbsp;<\/strong> \u0110i\u1ec3m C&nbsp;v&agrave; \u0111i\u1ec3m E n\u1eb1m c&ugrave;ng ph&iacute;a \u0111\u1ed1i v\u1edbi \u0111i\u1ec3m D.&nbsp;(<span style=\"color:#c0392b;\">Sai <\/span>v&igrave; C&nbsp;v&agrave; E n\u1eb1m kh&aacute;c ph&iacute;a \u0111\u1ed1i v\u1edbi D)<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp; &nbsp;<strong><span style=\"color:#16a085;\">A.&nbsp; \u0110i\u1ec3m E&nbsp;v&agrave; \u0111i\u1ec3m B&nbsp;n\u1eb1m c&ugrave;ng ph&iacute;a \u0111\u1ed1i v\u1edbi \u0111i\u1ec3m C.<\/span><\/strong><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"3","date":"2021-09-04 13:09:04","option_type":"txt","len":3},{"id":"7198","post_id":"4654","mon_id":"1158113","chapter_id":"1158164","question":"<p>Tr&ecirc;n h&igrave;nh v\u1ebd d\u01b0\u1edbi \u0111&acirc;y c&oacute; bao nhi&ecirc;u <strong>tia<\/strong>?<\/p><p><span class=\"svgedit\"><svg height=\"170\" width=\"320\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"172\" id=\"canvas_background\" width=\"322\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><image height=\"162\" id=\"svg_1\" width=\"311\" x=\"3.5\" 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y=\"4\"><\/image> <\/g> <\/svg><\/span><\/p>","options":["4","8","6","1"],"correct":"1","level":"1","hint":"","answer":"<p>Tr&ecirc;m h&igrave;nh v\u1ebd c&oacute; <strong>4 tia<\/strong> l&agrave;&nbsp; &nbsp;<strong>Ax, Cx, Bx, Dx<\/strong>.<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp; &nbsp;<strong>4<\/strong> .<\/p><p>Ch&uacute; &yacute;: H\u1ecdc sinh c\u1ea7n ch&uacute; &yacute; tia ch\u1ec9 b\u1ecb&nbsp;gi\u1edbi h\u1ea1n v\u1ec1 m\u1ed9t ph&iacute;a. Do \u0111&oacute; h\u1ecdc sinh c&oacute; th\u1ec3 nh\u1ea7m l\u1eabn CA, BA, DA c\u0169ng l&agrave; c&aacute;c tia.<\/p><p>Ngo&agrave;i ra h\u1ecdc sinh c\u1ea7n ch&uacute; &yacute; c&aacute;c tia tr&ugrave;ng nhau, ch\u1eb3ng h\u1ea1n AC v&agrave; Ax l&agrave; hai tia tr&ugrave;ng nhau n&ecirc;n ta ch\u1ec9 t&iacute;nh l&agrave; m\u1ed9t tia.<\/p>","type":"choose","extra_type":"star","time":"0","user_id":"131","test":"3","date":"2021-09-04 14:06:05","option_type":"txt","len":0}]}
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