Toán lớp 3 - sách cũ - Đề kiểm tra 15 phút - Toán lớp 3 - Tháng 12 - Số 2
{"save":1,"level":1,"time":"15","total":10,"point":5,"segment":[{"id":"1949","test_id":"349","question":"<p>237 x 2 = <input class=\"tim_x input_number\" size=\"1\" tpl=\"dien_so\" type=\"text\" \/><\/p>","options":"","correct":["474"],"answer":"<p>\u0110\u1eb7t tính, th\u1ef1c hi\u1ec7n phép tính nhân t\u1eeb ph\u1ea3i sang trái. <\/p><p>Ta có: <\/p><div class=\"lt123matrix\"><div class=\"lt123_math mot_so\"><span class=\"mth_td item_col\" col=\"0\" id=\"mth_td_0_0\" row=\"0\"><\/span> <span class=\"mth_td item_col\" col=\"1\" id=\"mth_td_0_1\" row=\"0\">2<\/span> <span class=\"mth_td item_col\" col=\"2\" id=\"mth_td_0_2\" row=\"0\">3<\/span> <span class=\"mth_td item_col\" col=\"3\" id=\"mth_td_0_3\" row=\"0\">7<\/span> <span class=\"mth_td item_col\" col=\"4\" id=\"mth_td_0_4\" row=\"0\"><\/span> <span class=\"mth_td item_col\" col=\"5\" id=\"mth_td_0_5\" row=\"0\"><\/span> <span class=\"clear_both\" row=\"0\"><\/span> <span class=\"mth_td item_col pnhan\" col=\"0\" id=\"mth_td_1_0\" row=\"1\"><span class=\"phep_tinh phep_nhan\">x<\/span><\/span> <span class=\"mth_td item_col bm\" col=\"1\" id=\"mth_td_1_1\" row=\"1\"><\/span> <span class=\"mth_td item_col bm\" col=\"2\" id=\"mth_td_1_2\" row=\"1\"><\/span> <span class=\"mth_td item_col bm\" col=\"3\" id=\"mth_td_1_3\" row=\"1\">2<\/span> <span class=\"mth_td item_col\" col=\"4\" id=\"mth_td_1_4\" row=\"1\"><\/span> <span class=\"mth_td item_col\" col=\"5\" id=\"mth_td_1_5\" row=\"1\"><\/span> <span class=\"clear_both\" row=\"1\"><\/span> <span class=\"mth_td item_col\" col=\"0\" id=\"mth_td_2_0\" row=\"2\"><\/span> <span class=\"mth_td item_col\" col=\"1\" id=\"mth_td_2_1\" row=\"2\">4<\/span> <span class=\"mth_td item_col\" col=\"2\" id=\"mth_td_2_2\" row=\"2\">7<\/span> <span class=\"mth_td item_col\" col=\"3\" id=\"mth_td_2_3\" row=\"2\">4<\/span> <span class=\"mth_td item_col\" col=\"4\" id=\"mth_td_2_4\" row=\"2\"><\/span> <span class=\"mth_td item_col\" col=\"5\" id=\"mth_td_2_5\" row=\"2\"><\/span> <span class=\"clear_both\" row=\"2\"><\/span> <span class=\"mth_td item_col\" col=\"0\" id=\"mth_td_3_0\" row=\"3\"><\/span> <span class=\"mth_td item_col\" col=\"1\" id=\"mth_td_3_1\" row=\"3\"><\/span> <span class=\"mth_td item_col\" col=\"2\" id=\"mth_td_3_2\" row=\"3\"><\/span> <span class=\"mth_td item_col\" col=\"3\" id=\"mth_td_3_3\" row=\"3\"><\/span> <span class=\"mth_td item_col\" col=\"4\" id=\"mth_td_3_4\" row=\"3\"><\/span> <span class=\"mth_td item_col\" col=\"5\" id=\"mth_td_3_5\" row=\"3\"><\/span> <span class=\"clear_both\" row=\"3\"><\/span><div col=\"5\" id=\"new_row\" row=\"3\">V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n vào ô tr\u1ed1ng là: <strong>474<\/strong><\/div><\/div><div class=\"clear_both\"> <\/div><\/div>","type":"blank","user_id":"82","test":"2","date":"2020-04-27 08:52:44"},{"id":"1950","test_id":"349","question":"<p>Mai ngh\u0129 ra m\u1ed9t s\u1ed1 bi\u1ebft r\u1eb1ng s\u1ed1 \u0111ó t\u0103ng lên 2 l\u1ea7n thì b\u1eb1ng s\u1ed1 nh\u1ecf nh\u1ea5t có hai ch\u1eef s\u1ed1. S\u1ed1 Mai ngh\u0129 ra là: <\/p>","options":["5","10","15","9"],"correct":"1","answer":"<p>Ta có s\u1ed1 nh\u1ecf nh\u1ea5t có hai ch\u1eef s\u1ed1 là: 10<\/p><p>S\u1ed1 Mai ngh\u0129 ra t\u0103ng 2 l\u1ea7n thì b\u1eb1ng s\u1ed1 10 nên: <\/p><p>10 : 2 = 5 <\/p><p>V\u1eady s\u1ed1 Mai ngh\u0129 ra là s\u1ed1: 5 <\/p><p>\u0110áp án \u0111úng là: <strong>5<\/strong><\/p>","type":"choose","user_id":"82","test":"2","date":"2020-04-27 08:58:37"}]}
