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- 1i dont think -----easy to work out the problem A them B that C it Dthis
- 2用氨水检验NaCl MgCl2 AlCl3 NH4Cl FeCl2 CuCl2
- 3英语翻译
- 4运输队两天共运80吨货物,已知第一天运的吨数是第二天的60%,两天各运了多少吨?(用方程解)
- 5物体由静止开始做匀加速直线运动,当其位移为x时的速度为v,求位移为x/3时的速度v为多大?
- 6一年中有四个季节你喜欢那个季节 英语翻译
- 7Ways to help your plant grow是什么意思
- 8Tongtong was born in 1994.That was year of ----
- 9若点O是平行四边形ABCD对角线AC的中点,EF⊥AC于O,交AD、BC分别于E、F,那么线段DE关于O的对称线段为_.
- 10as students,we should pay more attention to our ----(behave)