问题补充:
(1)指针从“1”绕点O顺时针旋转30°后指向________.???
(2)指针从“1”绕点O逆时针旋转45°后指向________.
答案:
解:如图,
(1)指针从“1”绕点O顺时针旋转30°后指向2.???
(2)指针从“1”绕点O逆时针旋转45°后指向11和12的中间.
故
(1)指针从“1”绕点O顺时针旋转30°后指向________.???(2)指针从“1”绕点O逆时针旋转45°后指向________.
时间:2023-04-17 11:28:50
(1)指针从“1”绕点O顺时针旋转30°后指向________.???
(2)指针从“1”绕点O逆时针旋转45°后指向________.
解:如图,
(1)指针从“1”绕点O顺时针旋转30°后指向2.???
(2)指针从“1”绕点O逆时针旋转45°后指向11和12的中间.
故
(1)指针从“1”绕点O顺时针旋转30°后指向________.???(2)指针从“1”绕点O逆时针旋转45°后指向________.