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南昌市1981年初中招生数学试卷第四大题是一道计算组合图形面积的题。为了分析方便,现将试题抄录如下: “求阴影部分的面积。(单位:分米)” 我们分析了三个考场好、
Nanchang 1981 junior high school entrance examination mathematics papers is the fourth title of a combination of graphics area problem. In order to facilitate the analysis, the test is now reproduced as follows: “Find the area of the shaded area. (Unit: Dm)” We analyzed the three examination rooms,