为您找到与总结图形放大与缩小的画法相关的共 238 个结果:
7.1 轴对称图形1.仔细观察,下列哪些图案是轴对称图形?是的,画出对称轴。2.在下面图形中,你还能画出其他对称轴吗?如果能,请画出来并填空。( )条对称轴 (
六、快乐足球第4课图形的放大与缩小1.填一填 (1)图形在平移和旋转后,( )发生了变化,( )不变。图形在放大与缩小后
填空。一个长方形,长是12厘米,宽是6厘米。按一定比例放大后长是36厘米,宽是18厘米,它是按():()的比扩大的。按一定比例缩小后长是6厘米,宽是3厘米,它是
1.按要求放大与缩小原图。(1)按2∶1的比,画出下面三个图形放大后的图形。(2)把放大后的三个图形,按1∶4缩小后画在方格纸上。2.按4∶1的比,画出下面平行
4.4把图形按一定的比放大或缩小的方法1.把可以组成比例的两个比用线连起来。36∶2 0.2∶0.85∶2 5∶13∶12 72∶415∶3 45
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