直接写结果．
14.6﹣6=
+
= 0.21+
+0.79=
×
= 5.47﹣1.8﹣3.2=﹣0.25= 0.5÷
=（
+
）×63= 0.1：
= 1.25××8=
直接写出得数．
1.39+0.11= 0.08×0.5= 2.6﹣1.7= 85÷5=（
+
）×8=
4÷
=
÷
=
﹣0.9=+50%= 6.5×0.2=
口算
35+17= 11﹣0.6=
+
=
﹣
=
58﹣39= 32.8÷4=
﹣
=
=
4.6+3.2= 2.5×40=
×
=
+
=
0.43×3= 0÷5.8= 9
=
÷1=
直接写出得数．
19.3﹣2.7=
+
=×
= 5.1÷0.01=
11×
=
÷
= 15.7﹣7.5=（3.5%﹣0.035）÷
=
0.67+4.5= 1﹣0.52=
+5÷+5= 9×
+9×
=
2÷
= 0.32÷4= 1+
= 16×（
﹣0.25）=
3﹣
﹣
=