Back to School 2017 #4 // How Many Hours Should you Study per Day?
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![State of Play | February 12, 2025 [English]](https://sun9-59.userapi.com/52T8K2oBbWAC3iRsFHwe6hrdSbxyh0_Tf4WuJw/heFC0LW5G1s.jpg)
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