tlng jwb pke cara dari no 5dan7

5.
3/4 kg + 1 kg - 1400 g
0,75 kg + 1 kg - 1,4 kg
= 0,35 kg
7.
8 = 2^3
12 = 2^2 X 3
26= 2 X 13
Kpk = 2^3 X 3 X 13
=312

3/4 = 0,75 kg + 1 = 1,75 
1 kg = 1000 gram
1,75 x 1000 = 1750
1750 - 1400 = 350 gram = 0,35 kg C

8 = 2^3
12 = 2^2 x 3
26 = 2 x 13 
KPK = 2^3 x 3 x 13 = 312 C
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