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- 11.填一填
- 2There are some moments in life, some feelings; one can only point to them and pass by这句话什么意思
- 3全部看在眼里是什么词语
- 4两个不同函数f(x)=x2+ax+1和g(x)=x2+x+a(a为常数)定义域都为R,若f(x)与g(x)的值域相同,则a=___.我实在搞不明白值域相同是怎麽回事!
- 5电子计算器上的CE键是表示关机吗?
- 6溶液中有0.2mol XO4- ,加入0.3mol Na2SO3 被氧化成 Na2SO4,则原产物中X的化合价为?
- 7Almost everyone ---- what the weatherman will say.But he doesn't always tell us what we want,and sometimes he makes mist
- 8已知代数式x+2y+1的值是3,则代数式2x+4y+1值是_.(写过程)
- 9表语形容词可以做后置定语吗?
- 10方程组 x+y=10 x-y=6的解