Тест по теме "Формулы сокращённого умножения"

object(ArrayObject)#850 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(85) "Тесты по теме "Формулы сокращённого умножения""
    ["seo_title"] => string(50) "testy_po_teme_formuly_sokrashchionnogo_umnozheniia"
    ["file_id"] => string(6) "505639"
    ["category_seo"] => string(7) "algebra"
    ["subcategory_seo"] => string(5) "testi"
    ["date"] => string(10) "1554140361"
  }
}

object(ArrayObject)#872 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(131) "Конспект урока на тему Квадрат суммы и квадрат разности двух выражений "
    ["seo_title"] => string(75) "konspiekt-uroka-na-tiemu-kvadrat-summy-i-kvadrat-raznosti-dvukh-vyrazhienii"
    ["file_id"] => string(6) "242749"
    ["category_seo"] => string(10) "matematika"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1445529703"
  }
}

object(ArrayObject)#850 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(86) "конспект урока Формулы сокращенного умножения"
    ["seo_title"] => string(50) "konspiekturokaformulysokrashchiennoghoumnozhieniia"
    ["file_id"] => string(6) "292048"
    ["category_seo"] => string(10) "matematika"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1455209733"
  }
}

object(ArrayObject)#872 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(69) "Рабочая программа по алгебре (7 класс) "
    ["seo_title"] => string(44) "rabochaia-proghramma-po-alghiebrie-7-klass-3"
    ["file_id"] => string(6) "238739"
    ["category_seo"] => string(10) "matematika"
    ["subcategory_seo"] => string(12) "planirovanie"
    ["date"] => string(10) "1444645739"
  }
}

object(ArrayObject)#850 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(83) "«РЕКОМЕНДАЦИИ ПО ПОДГОТОВКЕ  УЧАЩИХСЯ К ЕНТ» "
    ["seo_title"] => string(52) "riekomiendatsii-po-podgotovkie-uchashchikhsia-k-ient"
    ["file_id"] => string(6) "209484"
    ["category_seo"] => string(10) "matematika"
    ["subcategory_seo"] => string(12) "meropriyatia"
    ["date"] => string(10) "1431179042"
  }
}