Тест "Умножение целых чисел"

object(ArrayObject)#853 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(85) "Конспект урока на тему "Умножение целых чисел" "
    ["seo_title"] => string(54) "konspiekt-uroka-na-tiemu-umnozhieniie-tsielykh-chisiel"
    ["file_id"] => string(6) "101550"
    ["category_seo"] => string(10) "matematika"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1402421644"
  }
}

object(ArrayObject)#875 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(66) "урок на тему "Умножение целых чисел" "
    ["seo_title"] => string(43) "urok-na-tiemu-umnozhieniie-tsielykh-chisiel"
    ["file_id"] => string(6) "101147"
    ["category_seo"] => string(10) "matematika"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1402408720"
  }
}

object(ArrayObject)#853 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(163) "Урок-игра "Счастливый случай" по теме "Сложение, вычитание и умножение натуральных чисел" "
    ["seo_title"] => string(100) "urok-ighra-schastlivyi-sluchai-po-tiemie-slozhieniie-vychitaniie-i-umnozhieniie-natural-nykh-chisiel"
    ["file_id"] => string(6) "157150"
    ["category_seo"] => string(10) "matematika"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1421561913"
  }
}

object(ArrayObject)#875 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(48) ""Умножение  суммы на число""
    ["seo_title"] => string(30) "umnozhieniie-summy-na-chislo-3"
    ["file_id"] => string(6) "284986"
    ["category_seo"] => string(16) "nachalniyeKlassi"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1454072623"
  }
}

object(ArrayObject)#853 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(51) "Умножение смешанных дробей "
    ["seo_title"] => string(33) "umnozhieniie-smieshannykh-drobiei"
    ["file_id"] => string(6) "100197"
    ["category_seo"] => string(10) "matematika"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1402371204"
  }
}