直接写得数．
4.2×0.5= 6.4﹣3.25= 9.3÷0.03= 44÷
=
÷2÷=
9﹣
﹣
= 1÷
=
×
=
+
= 2﹣
=
直接写出得数．
6×2.4= 2009﹣198= 6.4÷0.8=
×
=
+
+0.6=
÷
= 3.8÷
= 0.9×
=
9×
÷9×= 1﹣
+
=
×6+9×= 2﹣
=
直接写出得数．
64×1.25= 801+
÷+1= 310﹣
﹣
= 9
×
= 
×
= 0.1400÷25= 16
÷
= 
2.1﹣0.8=
4.8×11×4.8×0= 0
×5÷×5= ．
直接写出得：
83+2.7= 8.3﹣2.63= 6.3÷0.07=
÷6=
3.2﹣
=
+
= 2÷3= 2×
=
21
÷7= 0.99×9+0.99= 1.25×
×8=
强强说：把2吨平均分成5份，每份是
千克． ．
﹣
=
+
= 
÷
= 10÷
= 3.14×3=