杂菌
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已知α为钝角 tan(α+π/4)=-1/7 求(2)求(cos2α+1)/(√2 cos(α-π/4)-sin2α)的值.
Can he\she\it\we\the boy\the children ...怎么造句
In the past,life for children,strict,nowadays,easier造句
1➗( )等于0.125等于( )➗64等于几分之5等于24分之几
2的相反数的负倒数是几?
求解根号下(e的x次方-1)/(e的x次方+1)的积分
128分之1+64分之1+32分之1+.+4分之1
a child as he is/as he is a child/child as he is/child though he was哪个表达正确?原因
a child as he is/as he is a child/child as he is/child though he was哪个表达正确_____,he knows a lot of english.what a great guy.
5.,he is good at drawing.A.To be a child B.A child as he is C.As a child D.Child as he is
As he is a child,为什么不对,难道是固定搭配,必定要改成Child as he is
用“tired”造句
3分之一的根号下X次方 积分
(40分之37+7.5%)除以32%
1除以()=0.125=几分之一=()除以三十二=六十四分之几
负3是3a减b的相反数,a减1的倒数的相反数是什么
love的反义词是?
闹钟在我父母的房间里用英语怎么说?开头是The clock is————————————————————
b分之(a-3)的意义
a-x分之b的意义是什么
(1+1/2)(1+1/3)(1+1/4)...(1+1/2009)(1/2—1)(1/3-1)(1/4-1)…(1/2010-1).(1+1/2)(1+1/3)(1+1/4)…(1+1/2009)(1/2-1)(1/3-1)(1/4-1)…(1/2010-1)这道计算题怎么做呢?~~
用回味乐趣造句?快
用回味造句,内容与读书有关
怎么用回味造句
(1)025^2009 * 4^2010-8^1000*0.5^3000 (2){0.5*[3(11/3]}……2009*[-2*(3/11)]^2010
请用afraid造句我要标准答案,是很正规的答题哦,别有语法错误,谢谢了···
afraid的用法(句型)有哪些?
求 用法,造句1,prefer2,pack3,pleasure4,proper5,poem6,purse7,quality造句只要词语的固定搭配,第7要造句.
afraid的结构并造句
be afraid of 造句
4的根号三次方乘5的根号三次方
2分之派与( )互为相反数;|3次方根号-5/4|=