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- 3y=π+arctanx/2.求出反函数?
- 4为什么匀变速直线运动连续相等时间间隔内的位移差是一个恒量?3Q
- 51是任何自然数的因数. _ .(判断对错)
- 6My uncle said that he would come back from Shanghai next week哪里错了
- 71.9÷( )=( )÷5=( )之六=60%
- 8She always thinks of others ,so she has few friends这句中哪有错误
- 9I am not surprised you failed the exam. you ___ have worked harder.
- 10Some young people these days just ______ go out of their homes to contact the real world.