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- 1“投掷两个骰子,朝上的数字相加为3”的概率是_.
- 2改错:1.I think we will win the match.Another is not strong at all.
- 3the food in japan is expensive.It ( ) a lot to live there. A.cost B.costs C.to cost
- 4数列0 0 2 512 求下一位数
- 5Harry Potter is a very nice film.I _ it twice.A.will see B.have seen C.saw D.see
- 6有几道英语题大家帮我看看~
- 7判断:甲数比乙数少20%,乙数比甲数多25%.()
- 8talking with others with a mouthful of food is ______(polite).
- 9利用等比数列的前n项和的公式证明:如果a不等于b,且a,b都不为0,则
- 10如何提高水中溶解氧!