笔算下面各题．376×7= 328+436= 607×8= 880﹣407= 52÷6= 250×8=
直接写得数：÷13= ×9= ÷= ﹣×0=+= 6÷= ﹣= ×=
直接写出得数．÷12= ÷= 1÷= 84×÷84×=×= 2.1÷= = 0÷+=
把3米长的木料锯成相等的小段，一共锯了4次，每小段是这根木料的几分之几？每小段长几分之几米？
直接写出计算结果．×= ÷2= 12×= 3÷= ﹣×=÷= ×14= 1﹣×= 6×÷= ÷=
口算．×3= 0÷= 0.5+= ×=8+= ÷= 2﹣﹣= 16.5+4.7=÷3÷= 5.6×=
÷13= 
×9= 
÷
= 
﹣
+
= 6÷
= 
﹣
= 
×
=
÷12= 
÷
= 1÷
= 84×
÷84×
=
×
= 2.1÷
= 
= 0÷
+
=
×
= 
÷2= 12×
= 3÷
= 
﹣
×
=
÷
= 
×14= 1﹣
×
= 6×
= 
÷
=
×3= 0÷
= 0.5+
= 
×
=
= 
÷
= 2﹣
﹣
= 16.5+4.7=
÷3÷
=
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