Bilangan Bulat
Presentation
•
Mathematics
•
7th Grade
•
Hard
ahmad fadlillah
FREE Resource
3 Slides • 0 Questions
1
Materi Bilangan
Oleh Ahmad Fadlillah, S.Pd
2
Pengertian Bilangan Bulat
Bilangan bulat adalah semua bilangan yang tidak dalam bent8uk pecahan atau desimal. Anggota bilangan bulat termasuk bilangan cacah (bilangan Nol dan positif) dan bilangan Negatif. Bilangan bulat di simbolkan dengan ∈Β {...,-3,-2,-1,0,1,2,3,...}
3
Sifat operasi pengurangan
Operasi Pengurangan
=> Sifat Asosiatif
a+(b+c)=(a+b)+c
Contoh
2+(3+4)=(2+3)+4
2+(7)=(5)+4
9=9
=> Sifat Komutatif
a+b=b+a
Contoh
4+3=3+4
7=7
=> Unsur Identitas
0, a+0=a
Contoh
3+0=3
Operasi Penjumlahan
Materi Bilangan
Oleh Ahmad Fadlillah, S.Pd
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