{"id":6674,"date":"2018-12-29T11:00:28","date_gmt":"2018-12-29T04:00:28","guid":{"rendered":"https:\/\/iescollege.cywill.com\/?p=6674"},"modified":"2018-12-29T11:01:18","modified_gmt":"2018-12-29T04:01:18","slug":"de-thi-thu-thpt-mon-toan-thpt-chuyen-bac-ninh-lan-3-nam-2019","status":"publish","type":"post","link":"https:\/\/cywill.com\/de-thi-thu-thpt-mon-toan-thpt-chuyen-bac-ninh-lan-3-nam-2019.html","title":{"rendered":"\u0110\u1ec1 thi th\u1eed THPT m\u00f4n To\u00e1n \u2013 THPT Chuy\u00ean B\u1eafc Ninh l\u1ea7n 3 n\u0103m 2019"},"content":{"rendered":"\n
C\u00e2u 42. M\u1ed9t gi\u1ea3i thi \u0111\u1ea5u b\u00f3ng \u0111\u00e1 c\u00f3 12 \u0111\u1ed9i thi \u0111\u1ea5u v\u00f2ng tr\u00f2n hai l\u01b0\u1ee3t t\u00ednh \u0111i\u1ec3m (2 \u0111\u1ed9i b\u1ea5t k\u1ef3 \u0111\u1ec1u thi \u0111\u1ea5u v\u1edbi nhau \u0111\u00fang hai tr\u1eadn). Sau m\u1ed7i tr\u1eadn \u0111\u1ea5u, \u0111\u1ed9i th\u1eafng 3 \u0111i\u1ec3m, \u0111\u1ed9i thua 0 \u0111i\u1ec3m, n\u1ebfu h\u00f2a m\u1ed7i \u0111\u1ed9i \u0111\u01b0\u1ee3c 1 \u0111i\u1ec3m. Sau gi\u1ea3i \u0111\u1ea5u ban t\u1ed5 ch\u1ee9c th\u1ed1ng k\u00ea \u0111\u01b0\u1ee3c 60 tr\u1eadn h\u00f2a. H\u1ecfi t\u1ed5ng s\u1ed1 \u0111i\u1ec3m c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1ed9i sau gi\u1ea3i \u0111\u1ea5u l\u00e0:<\/p>\n\n\n\n
A. 336<\/p>\n\n\n\n
B. 630<\/p>\n\n\n\n
C. 360<\/p>\n\n\n\n
D. 306<\/p>\n\n\n\n