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Kelas 5 MatematikaBab Perbandingan
a] 7,2 km : 80 m
= (7,2 x 1.000) m : 80 m
= 7.200 m : 80 m
= (7.200 : 80) : (80 : 80)
= 90 : 1
b] (1.000/buah) : (9.600/lusin)
= 1.000 : (9.600 : 12)
= 1.000 : 800
= (1.000 : 200) : (800 : 200)
= 5 : 4
c] 1 galon = 19 liter
7,5 galon : 19 liter : 7.600 ml
= (7,5 x 19) liter : 19 liter : (7.600 : 1.000) liter
= 142,5 liter : 19 liter : 7,6 liter
** dikali 10 **
= 1.425 liter : 190 liter : 76 liter
= 1.425 : 190 : 76