来源：学生作业帮 编辑：拍题作业网作业帮 分类：数学作业 时间：2024/05/01 11:21:13
计算图中阴影部分的面积 六年级
急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用急用!
10÷2＝5
5×5×3.14＝78.5
4÷2＝2
2×2×3.14＝12.56
78.5－12.56＝65.94
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