Задачи от смеси и сплави
Presentation
•
Mathematics
•
7th Grade
•
Practice Problem
•
Medium
Maria Borisova
Used 3+ times
FREE Resource
7 Slides • 1 Question
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Multiple Choice
Колко литра вода трябва да се прибавят към 5 литра 30%-ен разтвор на спирт, за да се получи 20%-ен разтвор?
2,5 L
3,5 L
2 L
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