装饮料．哪种包装能正好把305罐这样的饮料装完？一共可以装多少箱？
直接写得数．= 24÷= = == = =
直接写出得数．12×= ÷= 0÷= ﹣= 12×（×）=×= ÷= 20÷= += ×90×=
直接写出得数：×12= 1÷= ×= += ÷2=6﹣= 0÷= ×= ÷= ﹣=
表示 ；表示 ．
直接写出得数．÷= ×3= 6×= +×7=100÷10%= ÷1= ÷7= ×9×=
= 24÷
= 
= 
=
= 
= 
=
= 
÷
= 0÷
= 
﹣
= 12×（
×
×
= 
÷
= 20÷
= 
+
= 
×90×
=
×12= 1÷
= 
×
= 
+
= 
÷2=
= 
×
= 
÷
= 
﹣
=
表示 ；
表示 ．
÷
= 
×3= 6×
= 
+
×7=
÷1= 
÷7= 
=
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