3:x=5: x+25%=2 =
24x-1.6x=36
26×50=
12-0.86=
11-=
0.24÷6=
4÷=
24×(+)=
2.5×3.6×0.4=
96×0.4÷96×0.4=
468+199=
0.25×4=
2.4÷40%=
=
0.89+0.1=
1.5∶12=6∶x 18∶4=9∶x
∶=0.25∶x = =
①
②4+70%x=103
③=x:10
808834 88834 5.678
6.706.7 92.0892.80