Тренажер №5. Сложение однозначных. Ментальная арифметика
Ментальная арифметика. Тренажер 5
Сложение однозначных
Купить недорого Абакус (Соробан) можно тут
Задания появятся позже.
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5 months ago 00:18:20 1
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5 months ago 00:11:47 1
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5 months ago 00:17:53 1
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5 months ago 00:05:11 1
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5 months ago 00:11:08 7
5 months ago 00:07:46 1
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5 months ago 00:15:33 2
