1h=...p=...s 1,25m=..dm 1 tan=...kg 1 ngay=...h=....p 0,1dm=...mm 100g=..kg 2,5=..p=...s ....mm=0,1m 150kg=..g h=la gio nha cac bn p=la phut nha mn s=la giay nha
1 câu trả lời
1 h = 60p=3600s
1,25m=12,5dm
1tan=1000kg
1ngay=24h=1440p
0,1dm=0,01mm
1000mm=0,1m
150kg=0,1500g