Ada yg tau caranya? kalo ada tlng difotokan caranya ya

30.
³√42.875 : ³√343 x ³√64 : ³√8
= 35 : 7 x 4 : 2
= 5 x 2
= 10

31.
1 km = 100 dam
1 km = 1.000 m
1 km = 100.000 cm

2 km = 200 dam = 2.000 m = 200.000 cm

32.
1 liter = 1.000 cc

30 liter = (30 x 1.000) cc = 30.000 cc

33.
25 dm³ = 1.000 ml

25 dm³ = (25 x 1.000) ml = 25.000 ml