11、求由y=2x,y=x/2,x+y=2所围城图形的面积A.2/3B.2C.1/3D.1
11、求由y=2x,y=x/2,x+y=2所围城图形的面积
A.2/3
B.2
C.1/3
D.1
参考答案和解析
√
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