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Rosyjski B2. Нет проблем!
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"The first month for free" is a one-time offer for new SuperMemo users. After 30 days your App Store account will be charged a fee of PLN 39.90. Your Premium subscription will be automatically renewed, unless you cancel it at least 24 hours before the end of the current payment period. To cancel your Premium subscription use your App Store account settings. If you've used the free month before, your App Store account will be charged immediately.