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v : 45
t: 08:15 - 06:15
= 2 jam
s = 45 x 2
=90 km, B
24. D1 x D2 :2 = 40 x 25 = 1000:2
= 500 D
26. -180x -30x = -210x
27. 2x2x2 x 3x3
28.
29.
30. FPB : 12
31.
32. 14:05