1.25×0.08=
+1=
6.97﹣1.09=
+=
5+3﹣5+3=
﹣=
3.34×99+3.34=
× =
6﹣4.92=
25×0.7×4=
+0.5=
3- =
6.3÷0.21=
1﹣1÷ =
(0.6- )×16=
①0.4x=3.6
②x﹣x=70
③1.6:x=0.8:0.4
④=