直接写出得数．
0.001+10.099= 100﹣0.19= 3.9×0.01= 0.22=
0.5+0.5÷0.5= 32.5÷（2.5×0.4）= 3×3÷3×3= 3.16÷0.1÷0.1=
直接写出得数．
0.001+10.099= 100﹣0.19= 3.9×0.01= 0.22=
0.5+0.5÷0.5= 32.5÷（2.5×0.4）= 3×3÷3×3= 3.16÷0.1÷0.1=
= 15÷
=
×
=
÷
=
+
÷3×50%=（1﹣1%）÷99%=
×8
×
81÷
÷
×
×
3×
÷3×
=
=
=
=
= 1÷75%=
=
=
4= 21×
=
=
×3×8=
=
﹣
=
= 2.5×
=（
）×20=
= 10÷
= 1÷
=
÷6=
×
=
÷
×0= 1﹣
﹣
=
÷
×
=
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