【简答题】计算:(1)﹣3+5.3+7﹣5.3 (2) (3) (4)
【单选题】The expression “(float)5.3” means( )
A.
converting 5.3 from int to float
B.
converting 5.3 from float to double
C.
converting 5.3 from double to float
D.
changing 5.3 by dropping its fractional part
【简答题】化简: =( ) =( )﹣|﹣5.3|=( ).
【单选题】7-(8.7+5.3)与下面哪道算式的计算结果相等?( )
【判断题】网上竞价发行即主承销商利用证券交易所的交易系统,按已确定的发行价格向投资者发售股票。( )
【判断题】ROM通常由地址译码器和存储阵列两部分组成。
【简答题】在横线里填上“>”“<”或“=”. 5.3______5.3×0.7 1.25×0.86______0.86 0.6______0.6×1.
【简答题】计算: (1)-3+5.3+7-5.3; (2) ; (3) ; (4) 。