tolong dijawab ya besok dikumpulkan

"FPB"
No 1.
28 , 56 , 70
2-----------------
14 , 28 , 35
7-----------------
2 , 4 , 5
FPB = 2×7 = 14


No 2.
24 , 60 , 84
2-----------------
12 , 30 , 42
2-----------------
6 , 15 , 21
3------------------
2 , 5 , 7
FPB = 2×2×3 = 4×3 = 12


No 3.
36 , 54 , 90
2-----------------
18 , 27 , 45
3-----------------
6 , 9 , 15
3-----------------
2 , 3 , 5
FPB = 2×3×3 = 6×3 = 18


No 4.
30 , 45 , 90
3-----------------
10 , 15 , 30
5-----------------
2 , 3 , 6
FPB = 3×5 = 15


No 5.
25 , 50 , 75
5-----------------
5 , 10 , 15
5-----------------
1 , 2 , 3
FPB = 5×5 = 25


"KPK"
No 6.
28 , 48 , 60
2-----------------
14 , 24 , 30
2-----------------
7 , 12 , 15
2-----------------
7 , 6 , 15
2-----------------
7 , 3 , 15
3-----------------
7 , 1 , 5
5-----------------
7 , 1 , 1
KPK = 2×2×2×2×3×5×7 = 4×4×15×7 = 16×105 = 1.680


No 7.
21 , 35 , 63
3-----------------
7 , 35 , 21
3-----------------
7 , 35 , 7
7-----------------
1 , 5 , 1
KPK = 3×3×5×7 = 9×35 = 315


No 8.
15 , 40 , 75
2-----------------
15 , 20 , 75
2-----------------
15 , 10 , 75
2-----------------
15 , 5 , 75
3-----------------
5 , 5 , 25
5-----------------
1 , 1 , 5
KPK = 2×2×2×3×5×5 = 4×6×25 = 24×25 = 600


No 9.
24 , 36 , 60
2-----------------
12 , 18 , 30
2-----------------
6 , 9 , 15
2-----------------
3 , 9 , 15
3-----------------
1 , 3 , 5
3-----------------
1 , 1 , 5
KPK = 2×2×2×3×3×5 = 4×6×15 = 24×15 = 360


No 10.
32 , 56 , 72
2-----------------
16 , 28 , 38
2-----------------
8 , 14 , 19
2-----------------
4 , 7 , 19
2-----------------
2 , 7 , 19
2-----------------
1 , 7 , 19
7-----------------
1 , 1 , 19
KPK = 2×2×2×2×7×19 = 4×4×133 = 16×133 = 2.128
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MAAF KALO SALAH