直接写得数．
0.1÷0.01= 
+3.25= 11﹣
= 9.5+0.15= 
﹣
=
（0.18+
）÷9= 4.5÷
+
×0= 1.25×3.2×25= 
×
÷
×15= ×
÷
×=
计算下列各题
45+38=
÷3= 4.2÷0.07= 0.875×24= 1÷
=
72×
= 8﹣
= 0.25﹣
=
×0÷
= 13×
÷13×=
7+68= 78﹣0.98= 910÷70= 32×12.5%=
1÷0.03= 12﹣
=
﹣
=
÷
=
直接写出得数．
2502﹣197= 8.01﹣2.1= 2.5×40= 1÷
=
5.2÷0.125÷8=
﹣0.625= 8.4÷0.7= 124﹣124÷124=
直接写出得数
587﹣364= 3.14×6=
=
1000÷125×8﹣1= 3.2÷
= 1÷（
）=
直接写出得数
822﹣199= 1.87+5.3= 7÷1.4= 0.18×10=
÷4= 1﹣
=
+
= 2.5×0.4=
×
= 36×25%=