Question

Tentukan FPB dan KPK dari
1. 50,75,125
2. 75,100,148
3. 100,80,240
4. 108,216,252
5. 180,300,360

Answer 1

1) 50 = 2x5x5
   75 = 3x5x5
   125= 5x5x5
fpb= 5² 25
kpk= 5³ x 3 x 2 =750

2)75  =3x5x5
   100=2x2x5x5
   148=2x2x37
fpb= 0
kpk=37x5²x2²x3=11100

3)100=2x2x5x5
   80 =2x2x2x2x5
   240=2x2x2x2x3x5
fpb=2²=4
kpk=2pangkat4 x 5² x 3=1200

4)108=2x2x3x3x3
   216=2x2x2x3x3x3
   252=2x2x3x3x7
fpb=2²x3²=36
kpk=2³x3³x7=1512

5)180=2x2x3x3x5
   300=2x2x3x5x5
   360=2x2x2x3x3x5
fpb=2²x3x5=60
kpk=2³x3²x5²=1800