直接写出得数:
37+68×0=
52+25-52+25=
120÷(8+2)=
37+68×0=37;
52+25-52+25=50;
120÷(8+2)=12.
利用类设计器创建的类总是保存在类库文件中,类库文件的默认扩展名是______。
A.cdx B.frx C.vcx D.sex
___ she spoke, I ___ realize she was a Japanese.
A.When, /
B.Until, didn't
C.Before, don't
D.till, didn't