原式=2×32-4×(32)2+22×3
=62-3+62
=6-3.
Because it was hard to _____ with the money he got paid, he wanted to take ____ job.
A.make his life; a second
B.make ends meet; a second
C.earn his living; the second
D.make his living; the second
在Word的编辑状态下,当前编辑的文档是C盘中的d1.doc文档,要将该文档拷贝到软盘,应当使用()。
A.“文件”菜单中的“另存为”命令
B.“文件”菜单中的"保存"命令
C.“文件”菜单中的“新建”命令
D.“插入”菜单中的命令