共回答了117个问题采纳率:100%
关于角度的问题 比如说112°30′化成弧度制 还有30′代表什么意思 可以化成什么
2024-04-261个回答
已知,如图,Rt三角形ABC和Rt三角形ADC,∠ABC=∠ADC=90°,点E是AC的中点,求证:∠EDB=∠EBD
2024-04-261个回答
关于正弦余弦的问题,但我忘记了sin30=?这个30是角度,角度符号打不出来那么sin75=?这个75也是角度记得:si
2024-04-264个回答
如图,已知RT△ABC与RT△DEF不相似,其中∠C、∠F为直角,能否分别将这两个三角形各分割成两个三角形,使△ABC所
2024-04-261个回答
2024-04-261个回答
已知如图在RT三角形ABC中角ABC=RT∠,∠A=30°,CD⊥AB于点D.求证:△ADC相似于△CDB
2024-04-261个回答
已知:如图.求证:以RT三角形ABC各边为直径的三个半圆所围成的橘红色部分面积等于RT三角形ABC的面积
2024-04-261个回答
2024-04-261个回答
2024-04-261个回答
改错1 He started to read until he was ten.2 They are going on
2024-04-263个回答
i didn't read the intructions before he started his work的同义句
2024-04-262个回答
He oftens goes to other farmers' homes,when they______,he ea
2024-04-261个回答
He couldn't start his car.He really didn't know______.
2024-04-263个回答
用适当形式填空要求解释,谢谢After he __(get)up.he didn't start to work as
2024-04-261个回答
将以下三个句子改为强调句型.1When was the club set up?2 They didn't start
2024-04-261个回答
2024-04-261个回答
2024-04-261个回答
2024-04-261个回答
设计实验方案:(1)请你设计一个验证性小实验,证明“同种电荷互相排斥”.(2)请完成下列探究实验的设计方案:课题探究热运
2024-04-261个回答
2024-04-261个回答
你能帮帮他们吗
明天要讨论了!Do you like to live in a big city or in a small town?
2024-04-291个回答
首字母填空Do you like to live in the city?many cities in the worl
2024-04-291个回答
do you like to live in a big city or in a small town?why or
2024-04-291个回答
i like to live in the country.对划线提问 __do you like __ __?
2024-04-291个回答
do you like to study in the living room 变为否定句
2024-04-294个回答
精彩回答
2024-04-252个回答
2024-04-254个回答
2024-04-253个回答
2024-04-253个回答
2024-04-254个回答