0.6=3:______=______÷15=______(百分数).
6/5=______(化为百分数).
125×(4+8)=______×______+______×______.
125×32×25=(______×______)×(______×______)
______÷______=34
填质数:21=______+______=______×______=______-______.
0.125=5:______=______%=______÷______.
根据1.2×4=0.6×8,可以写成比例______:______=______:______.
0.4:1.2=0.6:1.8可改写成______×______=______×______.
3÷______=______÷24=75%=______折.
______:24=24÷______=0.375=______%
3.76°=______度 ______分 ______秒.
填上适当的质数.24=______+______=______+______=______+______.