6.3÷0.1= 14.14÷14= 8.5-1.05= 1.2: =
1+ = 632÷69≈ 0.33= =
25×24= 910﹣570= 6.3÷0.9=
+ = + = ÷0.1=
0.25 0.04
453+198=
10﹣0.03=
0.1÷0.01=
4×0.025=
4.5﹣0.75﹣0.25=
5×4÷5×4=