Berapa jumlah 3kg+4ons=...kg

3 kg = 3 kg
1 ons = 1 hg = 0.1 kg
4ons = 0.1 x 4 = 0.4 kg

3kg + 4 ons = 3 + 0.4 = 3.4 kg

Sekian semoga bermanfaat

3 kg + 4 ons = ...kg

4 ons = 4 : 10 = 0,4 kg

3kg + 0,4 kg = 3,4 kg