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- 1橘子的千克数是苹果的三分之二?香蕉的千克数是橘子的二分之一香蕉的千克数是苹果的几分之几?
- 2在浪淘沙 刘禹锡中那句是全诗的点睛之笔
- 3请说明:若X^2 + 2Y^2 + Z^2=XY-YZ-XZ,且XYZ不等于0,则X=Y=-Z
- 4i don't think helen can do the work______ she is too young.
- 5弹簧称两端分别施加F1,F2两个力,且F1大于F2,则弹簧秤示数为多少?为什么?
- 6如图所示,木工师傅把一个长为1.6米的长方体木料锯成3段后,表面积比原来增加了80cm2,那么这根木料本来的体积是多少?
- 7今年的春天来得太迟了太迟了是什么修辞
- 8闭区间上的单调函数是有界的吗?
- 9Can you help me answer this question?5 —I like football.—____my sister and me.A.So do B.So it is with C.So are Which is
- 10测量长度时,为了使测量结果更准确,不仅要有精密的工具,还要有一个好的测量方案.