aMom says I can have the school party at my house.I need some help.When you come over on Saturday,could you help me sweep the floor? I wuold be out to the town to purchase some party poppers and games such as pin-the-tail etc. For the food, do you think that we should order...
Hawaii, Nevada and Wyoming allow counties to determine whether fireworks are legal or not within their individual jurisdictions, as well as which kinds of fireworks are allowed and exactly when and where people can buy, sell and use them. In Hawaii, concerns over public safety prompted legislator...
设是__，即满足又经过一步Gauss顺序消去之后，化为证明也是严格对角占优矩阵，进一步说明是可逆矩阵。证明记，则有又是对角占优矩阵，可知。故即也是严格对角占优矩阵。由是对角占优矩阵知；又因为矩阵也是严格对角占优矩阵，以此类推可知，经过步消元后所化成的上三角矩阵对角线上的元素都大于0，故是可逆矩阵。
If you somehow find yourself with some spare time or don’t feel like making the long trek down the tunnel (which can be somewhat arduous for those in not great shape or older, especially the walk back up), I’d suggest spending some time appreciating all of the information provided here...
How do you show that someone who's been in a car accident can't do their job properly, and deserves thousands of dollars in compensation? More: Wearable World News, ZDNet and Cult of Mac. Thanks:@parmy Paul Sawers / The Next Web: Google Keep now lets you share notes and collaborate...
Proud Destinysuffered from over-selling when it first came out. Picked up as a Book-of-the-Month Club featured title, it sold hundreds of thousands of copies, which is why you can find dozens of copies for under three bucks atAddAll.comandeBay.Time‘s reviewer complained that “the novel...
我对此过敏… Wǒ duì cǐ guòmǐn – I’m allergic to… 这很美味 Zhè hěn měiwèi – It’s delicious! 别客气 Bié kèqì – You’re welcome. 我来付吧 Wǒ lái fù ba – I want to pay. 我可以使用我的信用卡吗?Wǒ kěyǐ shǐyòng wǒ de xìnyòngkǎ ma? – Can I use my cr...