4 kilo gram dikurangi 30 ons sama dengan berapa gram..???

1kg =10 ons

Jadi 30 ons = 3 kg
4kg - 3kg = 1 kg

1kg = 0.001 gram

Semoga bener, maaf ya kalo salah

4 KG = 4 × 1000 = 4000 gram
30 ons = 30 hg = 30 × 100 = 3000 gram
= 4000 - 3000
= 1000 gram