Подготовка к обучению

Для начала обучения необходимо выбрать одну из тем:
"Сложение"
"Вычитание"
"Умножение"
"Деление"
На панели отобразится выбранная тема.
Далее уровень сложности(1): 1, 2 или 3.
После чего нажать "Старт"(2).

Подготовка к обучению в Sapling

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