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Verified answer
Kelas 8 MatematikaBab Himpunan
Sekelompok siswa = s
Gemar Matematika = a
Gemar Bahasa Inggris = b
n(s) = n(a) + n(b) - n(a∩b) + n(a∪b)'
37 = 25 + 16 - 10 + n(a∪b)'
n(a∪b)' = 37 - 31
n(a∪b)' = 6 orang