4:______=0.4=______÷2.5=______%=______折.
125×(4+8)=______×______+______×______.
______÷______=34
填质数:21=______+______=______×______=______-______.
0.125=5:______=______%=______÷______.
0.4:1.2=0.6:1.8可改写成______×______=______×______.
根据1.2×4=0.6×8,可以写成比例______:______=______:______.
从36的约数中选出4个数组成比例:______:______=______:______.
27046=2×______+7×______+4×______+6×______.
125×32×25=(______×______)×(______×______)
______:24=24÷______=0.375=______%
3.76°=______度 ______分 ______秒.
填上适当的质数.24=______+______=______+______=______+______.