\(2013.y+y.\frac{1}{2013}-2013=\frac{1}{2013}\)
\(\Rightarrow2013.y+y.\frac{1}{2013}=\frac{1}{2013}+2013\)
\(\Rightarrow y.\left(2013+\frac{1}{2013}\right)=2013+\frac{1}{2013}\)
\(\Rightarrow y=1\)
2013 x X + X x 1/2013 - 2013 = 1/2013
2013*x+x*1/2013-2013=1/2013
Giải giúp mk bài toán này: ^^
y x 2016 - y = 2012 x 2013 + 2013 x 2 + 2013
Giải nhanh giúp mk nhé! Mơn nhìu ^^
tìm x:
2013*X+2013*1/2013=1/2013
2013*X+X*\(\frac{1}{2013}\)-2013=\(\frac{1}{2013}\)
(1 – 2 + 3 – 4 + 5 – 6 + 7 – 8 +........– 98 + 99) x (2013 x 6 – 2013 – 2013 x 5)
Hãy chứng minh A = B , biết:
A = 1 + (1+ 2) + (1+ 2+ 3) + ...........+ ( 1+ 2+ 3+ 4+ ...+ 2013)
B = 2013 x 1 + 2012 x 2 + 2011 x 3 + ......+ 2 x 2012 + 1 x 2013
What is the value of the digit in the ones place of the following?
A = 2013 x 2013 x 2013 x.......x 2013 x 2013
2011 thừa số 2013
Tính nhanh
2013 x 2012 - 1/2011 x 2013 + 2012
