= 
×36= 
÷
= 
×
×30= 
×
= 
÷2=
= （
+
）×24= 
÷
= 20×25%= 0÷
= 
×
÷相关试题
=
=
=
=
=
=30×23= 80÷4= 33﹣18= 400÷5= 45+27=
40×22= 94﹣57= 70×80= 0÷5= 41×20=
480÷2= 360÷9= 400÷8= 210÷7=
+
=
﹣
=
+
=
﹣
=
﹣
=
+
=
30×23= 80÷4= 33﹣18= 400÷5= 45+27=
40×22= 94﹣57= 70×80= 0÷5= 41×20=
480÷2= 360÷9= 400÷8= 210÷7=+=﹣=+=﹣=﹣=+=
+
= 1+
=1﹣
=
﹣
= 36×0×5= 47×6≈
=
+
= 5×7+6= 62×3≈
=
= 299×4≈
粤公网安备 44130202000953号