12×6= 17×3= 15×4=13×5= 18×2= 17×5=
直接写得数= = = 3÷8= = == = = = = =
直接写出得数．93= 8.7﹣7= ÷1= 21÷7=7×÷7×= 44÷= 75÷10%= 0.9+99×0.9=
直接写出得数 ．
直接写出得数．÷= += ÷= ×=1÷0.25= ÷1= ÷3= ﹣=
直接写出得数．÷= ×3= 6×= +×7=100÷10%= ÷1= ÷7=
= 
= 
= 3÷8= 
= 
=
= 
= 
= 
= 
= 
=
÷1
= 21
÷7=
÷7×
= 75÷10%= 0.9+99×0.9=
．
÷
= 
+
= 
÷
= 
×
=
÷1= 
÷3= 
﹣
=
÷
= 
×3= 6×
= 
+
×7=
÷1= 
÷7=
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