直接写出得数1÷= += ÷= ÷3= ×=﹣= ÷7= ÷= 4×= ÷8=×= ÷= ÷0.5= 5×= ﹣=×0= 0.3×= ÷= ÷4= +0.5=
一共有多少个气球？
63×87的积与87×7×9的积相等． ．
填表．
列竖式计算
= 
+
= 
÷
= 
÷3= 
×
﹣
= 
÷7= 
÷
= 4×
= 
÷8=
×
= 
÷
= 
÷0.5= 5×
= 
﹣
=
×0= 0.3×
= 
÷
= 
÷4= 
+0.5=
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