猜你喜欢
- 1what will u do if u have a time machine?
- 2英语 我得匆匆赶到图书馆 i had to really ()to the library
- 3束应查部首( ),再查( )几画.
- 4I___ (worry about)my son多少填法答案上写是am worried about
- 5it doesn't matter 和you're welcome 和Not at all的区别
- 6有一串数:1,7,13,19,25,.这个列数的第2001个是多少
- 7已知:正数数列{an}前n项和为Sn,满足6Sn=(an)^2+3an-10,求通项an (n是下标)
- 8判断题(对的在括号内打“√”,错的打“×”并订正或说明理由)
- 9选择题a÷7/12( )a×7/12(a≠0) A.小于 B.大于 C.等于
- 10还原铁粉是什么