2.6+1.34= 4÷0.5= 12×70= 510﹣270= 30%×60=
-= 56÷= ×25%= 28+69= 1598÷4≈
1÷0.25= 15×60= 72×25%=
1.1-0.01= 12÷ =
24×( )=
8.3﹣5.3=
360÷90=
24×5=
1÷0.01=
=
×5=
÷ =
- =
4.8÷12=
206×4=
10﹣0.09=
﹣ ÷ =
× =