矩阵A满足A2-3A-10E=0证明A-4E可逆并求其逆矩阵

Let's play table tennis ( )Tuesday morning ,shall we? Playing table tennis 和 play table tennis 那个对 how引导什么从句it should not be forgotten how small those resources are in a poor and backward☆ country. play table tennis是什么意思 用like两种句进行造句,主语分别为I,he,she,we,they,Alan how可引导哪些从句,只说从句名称即可 play table tennis和playing table tennis有什么区别 play table tennis的译文是什么? There is no point in arguing future.翻译是““继续争论”是没有用处的.”为什么不能翻译成“争论未来是没有用处的”呢? 已知圆x^2+y^2+8x-4y=0与以原点为圆心的某圆关于直线y=kx+b对称（1）求k,b的值（2）若此时两圆的交点为A,B,求∠ACB的度数. I think it no use arguing with him.use与arguing之间是不是少点啥? I think there is___with my kitchen fanA.anything wrong B.wrong anything C.something wrong D.wrong something 请问where引导的是什么从句?That's where unopened fan mail sent to singer Taylor Swift was found in Nashville. 尼尔斯骑鹅旅行记的英语 Now I find there is no need for me to fall in love with you...over would you be there to love to be with would you be there to love to be with me with love there is no trouble. there is no need to devoted your love 马价十倍中的启示?要深刻 朱自清《春》第五和第六自然段赏析要300子或以上,别的段落不要 朱自清 春 第3自然段赏析和第4自然段和第7自然段 There are such men as we believe.怎么翻译? Is that book dirty or clean 在选择疑问句中,that可以这样用吗? 朱自清的《春》,第4自然段,哪里写的好,好在哪里?特点,那里写的好,好在哪里? 主语+动词+不定式,也就是不定式作宾语,那么这个动词在这里是及物还是不及物? 如果一个动词后面只能接带to的动词不定式,那这个动词是是及物的还是不及物的 朱自清的《春》1~5段的整体自然段的赏析 library that is our连成句子 1.That is our playground.(一般疑问句,否定回答) it was a hard math.at half-time,one of the footballers___(take)to the hospit 《在沙漠中心》的课后词语我忘带语文书了,请问课后词语有哪些? 造句,每个句型两句.①I/She/He was_______ when ________.②They/We/You were _____when_____.快急!今天就要交!