阅读短文,判断对(T)错(F)
I'm Lingling. I have got a new bike. It's a nice bike. I go to school by bike every day. My mother is a teacher. Her school is near our home. So she walks to work. My father is a doctor. He goes to work by car.
若函数fx的导函数f'x=x2-4x+3则函数fx+1的单调递减区间是( )
下列词语书写全部正确的一项是 ( )
某车间原计划13小时生产一批零件,后来每小时多生产10件,用了12小时不但完成了任务,而且还多生产了60件,设原计划每小时生产y个零件,可列方程为 ____
下列说法有误的一项是( )