看图计算．①图中一个长度单位代表产值 万元．②全年产值共 万元．③第三季度产值比第四季度少．④下半年比上半年产值增加 %．
直接写出结果×4﹦ ×﹦ 12÷﹦ ÷﹦ 12+﹦÷﹦ ÷6﹦ 9÷﹦ ×﹦ 12×﹦
直接写出得数．×= 1÷= ×= 77：63=÷9= ×= ÷8= 4：2.5=×=
×= 0×= ÷= = = =
直接写出得数×3= ×16= ×= （+）×4=×+×= += ÷3= 4÷=
= = = == = = == = = == = = =
．
×4﹦ 
×
﹦ 12÷
﹦ 
÷
﹦
÷
﹦ 
÷6﹦ 9÷
﹦ 
×
﹦ 12×
﹦
×
= 1÷
= 
×
= 77：63=
÷9= 
×
= 
÷8= 4：2.5=
×
=
×
= 0×
= 
÷
= 
= 
= 
=
×3= 
×16= 
×
= （
+
）×4=
×
+
×
= 
+
= 
÷3= 4÷
=
= 
= 
= 
=
= 
= 
= 
=
= 
= 
= 
=
= 
= 
= 
=
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