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Bab HimpunanMatematika SMP Kelas VIII
soal yang di atas
Semua siswa = s
makan pedas = a
makan manis = b
n(s) = n(a) + n(b) - n(a∩b) + n(a∪b)'
38 = 24 + 17 - 8 + n(a∪b)'
n(a∪b)' = 38 - 33
n(a∪b)' = 5 siswa
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