tolong sekalian ya caranya pake tabel
Tolong bantuin aku ya besok di kumpulin dari no 1 sampe 5 aja.
1. 18, 42 dan 48
Menggunakan Faktorisasi
18 = 2 “““x 3²
42 =2 “““x 3
x 7
48 = 2^4 x 3
———————–
FPB = 2 x 3 = 6
KPK = 2^4 x 3² x 7 = 16 x 9 x 7 = 1.008
Menggunakan tabel
18, 42, 48
————–2 FPB
9, 21, 24
————–3 FPB
3, 7, 8
————–3
1, 7, 8
————–7
1, 1, 8
————–2
1, 1, 4
————–2
1, 1, 2
————–2
1, 1, 1
FPB = 2 x 3 = 6
KPK = 2^4 x 3² x 7 = 16 x 9 x 7 = 1.008
2. 35, 40 dan 65
Menggunakan Faktor
35 = ““““`5 x 7
40 = 2³ x 5
65 = ““““`5 “““““x 13
——————————
FPB = 5
KPK = 2³ x 5 x 7 x 13 = 8 x 5 x 7 x 13 =
3.640
Menggunakan Tabel
35, 40, 65
————— 5 FPB
7, 8, 13
————— 13
7 , 8, 1
————— 7
1, 8, 1
————— 2
1 , 4, 1
————— 2
1, 2, 1
————— 2
1, 1, 1
FPB = 5
KPK = 2³ x 5 x 7 x 13 = 8 x 5 x 7 x 13 =
3.640
3. 16, 28 dan 32
Menggunakan Faktor
16 = 2^4
28 = 2² x 7
32 = 2^5
——————–
FPB = 2² = 4
KPK = 2^5 x 7 = 32 x 7 = 224
Menggunakan Tabel
16, 28, 32
————– 2 FPB
8, 14, 16
————– 2 FPB
4, 7, 8
————– 2
2, 7, 4
————– 2
1, 7, 2
————– 2
1, 7, 1
————– 7
1, 1, 1
FPB = 2² = 4
KPK = 2^5 x 7 = 32 x 7 = 224
4. 45, 50 dan 60
Menggunakan Faktor
45 = “““`3² x 5
50 = 2 ““““x 5²
60 = 2² x 3 x 5
———————-
FPB = 5
KPK = 2² x 3² x 5² = 4 x 9 x 25 = 900
Menggunakan Tabel
45, 50 , 60
—————– 5 FPB
9, 10, 12
—————– 3
3, 10, 4
—————– 2
3, 5, 2
—————– 3
1, 5, 2
—————– 5
1, 1, 2
—————– 2
1, 1, 1
FPB = 5
KPK = 2² x 3² x 5² = 4 x 9 x 25 = 900
5. 20, 18 dan 42
Menggunakan Faktor
20 = 2² ““x 5
18 = 2 x 3²
42 = 2 x 3 “““x 7
———————–
FPB = 2
KPK = 2² x 3² x 5 x 7 = 4 x 9 x 5 x 7 = 1.260
Menggunakan Tabel
20, 18, 42
————— 2 FPB
10, 9, 21
————— 2
5, 9, 21
————— 3
5, 3, 7
————— 3
5, 1, 7
————— 5
1, 1, 7
————— 7
1, 1, 1
FPB = 2
KPK = 2² x 3² x 5 x 7 = 4 x 9 x 5 x 7 = 1.260
Semoga membantu 🙂
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Belajar lebih lanjut tentang Kelipatan dan Faktor Bilangan di :
kelas : 4 SD
kode : 4.2.2
mapel : matematika
kata kunci : KPK dan FPB
kategori : Kelipatan dan Faktor Bilangan
1. 18 = 2×3²
42 = 2x3x7
48 = 2pangkat4 x 3
FPB = 2×3 = 6
KPK = 2pangkat4 x 3²x 7 = 1008
2. 35 = 5×7
40 = 2³x5
65 = 5×13
FPB = 5
KPK = 2³x5x7x13 = 3340
3. 16 = 2pangkat4
28 = 2²x7
32 = 2pangkat5
FPB = 2²=4
KPK = 2pangkat5 x 7 = 224
4. 45 = 3²x5
50 = 2×5²
60 = 2²x3x5
FPB = 3×5= 15
KPK = 2²x3²x5² = 4x9x25= 900
5. 20 = 2²x5
18 = 2×3²
42 = 2x3x7
FPB = 2
KPK = 2²x3²x5x7 = 1180
Maaf kalau kurang teliti,boleh komen