一条水渠全长5312米.已经修了8天,还剩456米没修,平均每天修多少米?
÷8,
=4856÷8,
=607(米),
答:平均每天修607米.
I walked out of the cinema, I'd never come back to this hell of a place. [ ]
A. determining
B. decided
C. to determine
D. to decide
在晶体管放大电路中,常用的负反馈方式不包括()。
A.电压并联负反馈
B.电压串联负反馈
C.电流并联负反馈
D.电流电压混联负反馈