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Materi Himpunan
Kelas VII
n(S) = 40 orang
n(T) = 21 orang
n(B) = 27 orang
n(T∩B) = 15 orang
n(S) = n(T)-n(T∩B) + n(T)-n(T∩B) + n(T∩B) + n(T∪B)c
40 = (21 - 15) + (27 - 15) + 15 + n(T∪B)c
40 = 6 + 12 + 15 + n(T∪B)c
n(T∪B)c = 40 - 33
n(T∪B)c = 7 orang
Mohon maaf apabila ada kesalahan