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- 13x-2y+2z=3.-2x+4y+3z=-3.5x+2y-3z=-12三元一次方程组
- 2Will there be any schools in the future?做否定回答
- 3帮我选两篇初中生优秀作文 写下来 300字左右
- 4用20N的力将15N的物体压在墙上,此时物体恰能匀速下滑.若压力减小,物体的摩擦力会变吗,为什么?
- 5表面积一样的长方体盒子,它们的体积同样大.( )√或×
- 6What are your interests?改为同义句
- 7解比例 12分之11比x等于4分之1比7分之6
- 8The number of the students in our school ___about 2,000.
- 9Is it helpful for shop owners to put ads there的翻译
- 10i think the shop is(close)at this time of day