Math Problem Statement
Pada perkuliahan di PGSD, seluruh mahasiswa Angkatan 2021 diminta untuk mengerjakan tugas IPA, IPS dan Matematika. Dari 120 mahasiswa, 100 orang telah menyelesaikan tugas IPA, IPS dan Matematika. 20 orang menyelesaikan tugas IPA dan IPS, 25 orang menyelesaikan tugas IPS dan Matematika. 15 orang menyelesaikan tugas IPA dan Matematika. Sementara itu, 65 orang menyelesaikan tugas IPA, 45 orang menyelesaikan tugas IPS, dan 42 orang menyelesaikan tugas Matematika.
Berdasarkan permasalahan tersebut, berapa banyak mahasiswa yang belum menyelesaikan satupun tugas (IPA, IPS dan Matematika)? Ilustrasikan dengan menggambar diagram venn!
Solution
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Math Problem Analysis
Mathematical Concepts
Set Theory
Venn Diagram
Union and Intersection of Sets
Formulas
n(A ∪ B ∪ C) = n(A) + n(B) + n(C) - n(A ∩ B) - n(B ∩ C) - n(A ∩ C) + n(A ∩ B ∩ C)
Students who completed no tasks = Total students - n(A ∪ B ∪ C)
Theorems
Principle of Inclusion and Exclusion
Suitable Grade Level
Grades 11-12
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