1000999 0.3
× 13.07×1.0113.07÷1.01
a﹣0.6a=
158÷199=
1÷20%=
1.5×0.8=
0.2÷0.01=
0.1÷10%=
1÷3×1÷3=
0.5×0.25×0.125=
÷7=
×75%=
×99+99× =
+ × =
×8<40
25>4×