","hint":null,"videos":"$54","author":"$55","hintHidden":false,"aiShortenable":false,"aiClarifiable":true,"mySolutionCheckable":true,"aiQuizable":true,"upVotes":7,"voted":null} 52:["$53"] 56:{"updatedAt":"2020-03-03T09:27:20+01:00","name":"Znajdź liczbę x: "} 57:[] 50:{"id":64088,"number":"4","exerciseType":null,"premium":true,"page":149,"videos":"$51","solutions":"$52","hidden":false,"seo":"$56","exerciseCategory":"normal","mathImages":"$57"} 59:[] 5c:[] 5d:{"name":"Piotrek","id":8,"title":"Nauczyciel","about":"Z wykształcenia matematyk. Interesuję się kulturą dalekiego wschodu oraz koszykówką.","avatarUrl":"https://prod.odrabiamy-assets.pl/uploads/author/avatar/8/avatar_18.png","gender":1,"authorVotesCount":22343} 5b:{"id":68553,"name":"Rozwiązanie 1","content":"

a)

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Tlen 41,91 kg

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