Tolong di bantu ya plisss​

Jawaban:

27/2:0,5

27/2:1/2

27/2×2/1=27

maaf kalau salah

= 13½ ÷ 0.5 =
= 27/2 ÷ 5/10
= 27/2 x 10/5
= 270/10
= 27