×
= 
×
= 
×
= 
=
= 1÷
= 
+
×
= （6+
）×
×39×
=相关试题
直接写出得数．
572﹣298= 0.75+99×0.75= 9.5+0.59= 250×0.04=
= 
= 76×99= 0.125×9×8=
= 0.56÷0.8×5= 
= 15.73﹣（2.8+1.73）=
﹣（
）]×
．
×38.57= 18×（
﹣
）= 3÷
÷
÷0.16= 
+79×0.375= 1﹣1÷3= 0.81×
÷0.81×口算.
2.2+3.57= 3.25×4= 6.75+0.25= 4÷10=
17÷1000= 0.63×10= 0.25×0= 0.56+0.4=
1.25×100=
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