8 kg - 4 pon + 50 ons =...... kg sama caranya

8 kg = 8 kg
4 pon=4/2=2 kg
50 ons=50/10=5 kg

8 - 2 + 5 kg
6 + 5 kg
11 kg

8 kg - 4 pon + 50 ons
= 8 kg - (4 ÷ 2)kg + (50 ÷ 10)kg
= 8 kg - 2 kg + 5 kg
= 11 kg