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1. 2×2×3×3×5 = 180 : 60 = 3 menit
B
2. 2×3×4×3 = 72 Hari
11 May 2017
3. 3×4×5 = 60
Minggu.

1. Kpk dari 18,12 & 20
18 = 2 x 3²
12 = 2² x 3
20 = 2² x 5
KPK = 3² x 2² x 5 = 9x4x5 = 180
180 : 60 = 3 menit

2. Kpk dari 6,8&9
6 = 2x3
8 = 2³
9 = 3²
Kpk = 2³x3² = 8x9 = 72
C. 11 Mei

3. FPB dari 12&15
12 = 2²x3
15 = 3x5
FPB = 3
C. Jumat

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