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- 1不等式负数移项不等式符号要不要改变
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- 3如果甲数的4/5与乙数的7/9相等,那么甲数与乙数的比是_.
- 4there are more than twenty thousand australians in hong kong(同义句)
- 5比较下列各组数的大小:2根号5与5根号2 -3分之5与-根号3
- 6能显著地促进藻类在水中生长,最终导致水中生物缺氧的阴离子是( ) A.Cl- B.I- C.CO32- D.PO43-
- 7请大家判断、 下面这句话是病句么?
- 8. Nowhere else in this area ________ such a beautiful scene.(A is it (B is there (c it is
- 92的57次方减1是质数还是合数
- 10The other day,I found that my son was wearing giant pants that could( )three teenagers.