[解題] 幾何圖形
1.年級:國中
2.科目:
3.章節:
4.題目:
http://www.flickr.com/photos/27975363@N06/3322322846/
圖片我在網路了上了
外面是正方型
裡面是1/4圓
求斜線面積
我用加加減減 算到快瘋掉了
煩請各位大大幫忙了
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◆ From: 140.120.11.249
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