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从1,2,…,2006中,至少要取出______个奇数,才能保证其中必定存在两个数,他们的和为2008.
1年前
When you visit a museum, you should ___________ the instructions.
1年前
求下列各式中的x (1)9x2-64=0 (2)125x3+27=0
1年前
After John had been in London for three years, he and his wife had a lot to tell ________.
1年前
Sandy helps Kitty and Kitty helps Sandy. (改为同义句)
1年前