fuzixuzi004 幼苗
共回答了10个问题 举报
1年前
已知奇函数f(x),f(x+2)= - f(x)求函数的周期,
1年前2个回答
你能帮帮他们吗
精彩回答
When you get your paper back, pay special attention to _______ have been marked. [ ]
1年前
类比平面几何中的定理“设a,b,c是三条直线,若a⊥c,b⊥c,则a∥b”,得出如下结论:
1年前
你认识这些单词吗? 1. go 2. what 3. in 4. have 5. where 6. have a look
1年前
Assistant: Can I help you? Mum: Yes, please. I want to buy a pair of sneakers(网球鞋) for my son.
1年前
1年前