我的小妹妹作文200字:About maths problems.SOS!!!

来源：百度文库 编辑：高校问答 时间：2024/05/08 16:08:05
平行四边形中相邻的两角中,写出其中一个角的度数y与另一个角的度数x之间的关系式,并判断y是不是x的函数?

y=180-x.
y是x的一次函数

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