要求要有过程已知:桌面固定着一个半径为3cm的圆圈,一张半径为1cm的圆形硬纸片沿圆圈的圆周滚动一周,这时滚动的圆形硬纸片滚了多少圈?A 1圈 B 1圈或3圈 C 2圈 D2圈或4圈
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 07:40:14
![要求要有过程已知:桌面固定着一个半径为3cm的圆圈,一张半径为1cm的圆形硬纸片沿圆圈的圆周滚动一周,这时滚动的圆形硬纸片滚了多少圈?A 1圈 B 1圈或3圈 C 2圈 D2圈或4圈](/uploads/image/z/4341653-53-3.jpg?t=%E8%A6%81%E6%B1%82%E8%A6%81%E6%9C%89%E8%BF%87%E7%A8%8B%E5%B7%B2%E7%9F%A5%EF%BC%9A%E6%A1%8C%E9%9D%A2%E5%9B%BA%E5%AE%9A%E7%9D%80%E4%B8%80%E4%B8%AA%E5%8D%8A%E5%BE%84%E4%B8%BA3cm%E7%9A%84%E5%9C%86%E5%9C%88%2C%E4%B8%80%E5%BC%A0%E5%8D%8A%E5%BE%84%E4%B8%BA1cm%E7%9A%84%E5%9C%86%E5%BD%A2%E7%A1%AC%E7%BA%B8%E7%89%87%E6%B2%BF%E5%9C%86%E5%9C%88%E7%9A%84%E5%9C%86%E5%91%A8%E6%BB%9A%E5%8A%A8%E4%B8%80%E5%91%A8%2C%E8%BF%99%E6%97%B6%E6%BB%9A%E5%8A%A8%E7%9A%84%E5%9C%86%E5%BD%A2%E7%A1%AC%E7%BA%B8%E7%89%87%E6%BB%9A%E4%BA%86%E5%A4%9A%E5%B0%91%E5%9C%88%3FA+1%E5%9C%88+B+1%E5%9C%88%E6%88%963%E5%9C%88+C+2%E5%9C%88+D2%E5%9C%88%E6%88%964%E5%9C%88)
xQNP1
bT~D]k
0B(`M3{ˊ_pmiX֘4;3s&WSzLv3+f-*q
_9wj%ΩUUbf0smSkJb8~uVޚ'64ۊkI)0!a$&r
G̤~lxz)l(ltR'|U<(Sp.IRY[@&1Jƶ~|`& "ŌkwbJ'@;0piAFl,g