10×12=
1﹣0.04=
2+5.8=
4.5÷0.45=
+ =
1.2﹣ =
÷ =
2.5×4÷4=
+ ÷ + =
0÷( ﹣ )=
6﹣0.4=
7.52+2.48=
0.73÷0.1=
0÷×=
15×60=
÷=
4-=
24××