问题
填空题
化简(7-4
|
答案
原式=(7-4
)2005(7+43
)2006=[(7-43
)(7+43
)]2005(7+43
)=(49-48)2005(7+43
)=7+43
.3
故本题答案为:7+4
.3
化简(7-4
|
原式=(7-4
)2005(7+43
)2006=[(7-43
)(7+43
)]2005(7+43
)=(49-48)2005(7+43
)=7+43
.3
故本题答案为:7+4
.3