求阴影部分的面积。仔细看图谢谢帮忙.长方形宽2厘米长3厘米

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2X3-3.14X1X1
=6-3.14
=2.86

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2×3-(2÷2)的平方×3.14=2086

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3×2-3.14×1×1＝2.86

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2x3一兀x（2/2）²=6一兀=2.86

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6-π

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