按要求作图．先在正方形里画一个最大的圆，并标出圆心O，再以O点为圆心画一个直径为2厘米的圆．
．
计算下面各题．=========
= 1﹣=======
直接写出得数．============
======
试卷网 试题网 古诗词网 作文网 范文网
Copyright ©2020-2025 优题课 youtike.com 版权所有
粤ICP备20024846号
．
=
=
=
=
=
=
=
=
=
= 1﹣
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=
=