18×9-3.14×9/2×9/2
=162-63.585
=98.415平方分米
用一块长为18分米,宽为9分米的铁皮加工成一个最大的圆片后,剩下的面积是多少平方分米?
用一块长为18分米,宽为9分米的铁皮加工成一个最大的圆片后,剩下的面积是多少平方分米?
其他人气：574 ℃时间：2019-11-05 21:55:12
优质解答
我来回答
类似推荐
猜你喜欢
- 1无线电广播···速度···
- 2下班开车回家路上要小心,用英语怎么说
- 3Shanghai is developing _________ than before.A.quciker B.quickly C.more quick D.more quickly
- 4已知关于x一元二次方程x²-(2k+1)x+k²＋k=0急求详细过程
- 5My mother likes to help others My mother likes help others 我的妈妈喜欢帮助别人.哪个是?
- 6This book is mine.Ann has taken this book away 改为定语从句
- 7师生共402人租车去春游,有两种车可以提供,大车每辆可坐48人,每车300元；小车可坐30人,每车240元,要使师生正好坐满,需要租大车小车各几辆?
- 8he asked me_l had a wonderful time at his brithday party last night.A.if
- 9自由电荷数和电荷量的区别 联系
- 10把下面的句子改为拟人/拟物句: