(□-1.48)÷0.6×1.2=8.52,□=______.
125×(4+8)=______×______+______×______.
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______×______=______×______.
[(1.8-0.6)÷□+2.5]×0.4=3.4□中填______.
0.125=5:______=______%=______÷______.
______÷______=34
125×32×25=(______×______)×(______×______)
填质数:21=______+______=______×______=______-______.
在算式□÷△=19…6中,除数最小是______这时被除数是______.
a÷b=c(a、b、c均为非零自然数),______是______的因数,______是______的倍数.
若[6.8-(1.6+□÷0.9)]÷8.4=0.5,其中□=______.
算式中的□和△各代表一个数.已知:(△+□)×0.3=4.2,□÷0.4=1.2那么,△=______,□=______