0.24÷0.6= 4.2÷0.01= 70÷0.5=
0÷9.84= 0.28×5+0.72×5= 10.78×0.75×0=
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=