相关试题
口算．
= 
= 
= 2.25+
=
= 2.5×0.1= 7.5÷0.5= 
=
20.1+9.09= 
×
= 
﹣
= 1÷0.1﹣1×0.1=
（
+
）×63= 0.5÷
= 0.4÷40%= 0.42﹣0.32=
+62.5%= 78×9.9+7.8= 7×
÷7×
+
=
= 0.4+4.73= 
÷
= 
=
×
= 
+0.8= 
×
÷
+
）×120=口算：
÷62.5%= 
÷8= 1.8÷
= 0.375+
﹣0.01= 
×
÷×=
0.25×4÷
= 
×
÷×= 19÷
= 0.125×
×8= 6.4×﹙1
﹣1.25﹚=
×
=
÷3= 
=
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