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pembual
1. banyak kelompok belajar adalah FPB 18 dan 24 yaitu 6
18 = 2 x 3²
24 = 2³ x 3
FPB = 2 x 3 = 6
2. ini tadi sudah
24 = 2³ x 3
56 = 2³ x 7
banyak kantong plastik = 2³ = 8
3. aritmatika sosial
jumlah dibayar
= 4 x 20.000 + 3 x 9.000
= 80.000 + 27.000
= 107.000
4. faktorisasi prima 6 = 2 x 3
faktorisasi prima 10 = 2 x 5
KPK = 2 x 3 x 5 = 30
4 Maret + 30 hari = 34 - 31 = 3 April
( bulan Maret = 31 hari )