no.4 sama no.5 apa??isi cara

4. 3 1/4 = 13/4
1,5 = 3/2

13/4 - 3/2 = 14/8

14/8 + 3/4 = 2 1/2kg (B)

5. 2 1/3 = 7/3
1 1/2 = 3/2
0,75 = 3/4 (di sederhanakan)

7/3 × 3/2 = 7/2

7/2 : 3/4 = 14/3 = 4 2/3 (B)

maaf kalau salah