user-avatar
cloudy0106
2 năm trước
a,b,c>0 và a+b+c=1 cmr : a,b,c>0 và a+b+c=1 cmr : $\frac{ab}{c+ab}$ + $\frac{bc}{a+bc}$ + $\frac{ca}{b+ca}$
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

I.Rewrite the sentences so that it há the same meaning as the root ones 1.Bana is cool, Dalat is cooler and Sapa is the coolest =>Sapa is...................................................of the three places 2.It is wrong of you to talk in class =>You mustn't........................................................................ 3.I'm the tallest in the class =>Nobody is............................................................................ 4.It is necessary for us to finish homework before going to class =>We must.............................................................................. II.Write the words in correct order on make meaningful sentences 1.are/grandparents/next/us/month./visiting/Our ->................................................................................ 2.two/are/of/There/in/books/the lamp./front ->................................................................................

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team