口算．
3﹣1.06= 12﹣0.5×4=
1.8×4= （5+0.6）÷7=
0.125×4= 3.5﹣3.5÷7=
8×3.1= 2.6+0.48÷0.4=
9.3÷3= 1.2×0.25×4=
直接写得数．
7.8﹣5.8= 23.5+6.5= 106.3÷0.1= 6391﹣54=
910÷70= 13
﹣
= 0.25
×
= 0.5
+
=
6÷
= 3635×20%= ．
直接写得数：
×
=
÷
=
×8=
+
=
18×2%= 1﹣
= 3.5÷18= 137﹣63﹣37=
205﹣199+95=求比值：
：3= 8.8+1.2=1÷25%=
直接写得数．
4.65+135%= 8
÷8= 2002÷22= 0.75÷75%=
÷
÷
=
2﹣
﹣
= 7+7÷7.5= 2﹣
÷=（+
）×35= 2×
÷2×=
直接写出得数．
×16= 10÷
=
÷25%×
=÷
=
12.56÷6.28=（
+
）×4= 0.77+0.33=
+
=
×
=
÷
=
直接写出得数
1﹣
=
÷4= 1÷
=
﹣
=
0.8×0.01= 1÷0.05= 1.6×0.25= 5.4÷60=
=
=
+
= 9﹣
﹣
=