10×12=
1﹣0.04=
2+5.8=
4.5÷0.45=
+ =
1.2﹣ =
÷ =
2.5×4÷4=
+ ÷ + =
0÷( ﹣ )=
1.25×0.8=
40×25%=
0.45÷0.9=
10﹣7.1=
﹣ =
0.2×5÷0.2×5=
0.23=
原来较大的数是。
×5=
÷ =
- =
4.8÷12=
206×4=
10﹣0.09=
﹣ ÷ =
× =
0.23÷0.1=
4﹣0.8=
9÷ =
1÷ - ÷1=
1.6× =
+0.25=