Геометрический диктант в 9 классе по теме "Параллелограмм."

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object(ArrayObject)#851 (1) {
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    ["title"] => string(77) "Конспект урока на тему "ЧЕтырехугольники" "
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    ["date"] => string(10) "1402390792"
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object(ArrayObject)#873 (1) {
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    ["title"] => string(75) "ДИДАКТИЧЕСКИЕ ИГРЫ НА УРОКАХ МАТЕМАТИКИ "
    ["seo_title"] => string(44) "didaktichieskiie-igry-na-urokakh-matiematiki"
    ["file_id"] => string(6) "217467"
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object(ArrayObject)#851 (1) {
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    ["title"] => string(36) "Объемы тел вращения"
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    ["category_seo"] => string(9) "geometria"
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    ["date"] => string(10) "1695049191"
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