半径的平方是:25.12÷3.14=8
半径是:根号8=2倍根号2分米
(注:以上是初中的解法.如果是小学的题目,这是超编了,出错了)
猜你喜欢
- 136乘以(-29又18分之17)
- 24个互不相等的偶数,它们的倒数的和是1.已知其中有两个偶数是2和12,其他的数的多少?
- 3在下面各个算式中添上括号式计算结果都等于1
- 4I had a r-- day yesterday,It was boring.(rainy,rained)
- 5西方餐桌礼仪英语
- 6小学五年级语文,排比句
- 7脑筋急转弯1.Who can stop a car with one hand only?_____2.What kind of hand cannot hold only?______
- 8表示兴趣爱好的词语
- 9what happened to helen keller as she was a small child?急用!
- 10一箱A4纸有多重