Question

\(\left(2013\cdot2014+2014\cdot2015+2015\cdot2016\right)\cdot\left(1+\frac{1}{3}-1\frac{1}{3}\right)\)

Answer 1

\(\left(2013.2014+2014.2015+2015.2016\right)\left(1+\frac{1}{3}-1\frac{1}{3}\right)\)

\(=\left(2013.2014+2014.2015+2015.2016\right)\left(\frac{4}{3}-\frac{4}{3}\right)\)

\(=\left(2013.2014+2014.2015+2015.2016\right).0\)

\(=0\)

Answer 2

ggggggggggggggggggggggggggggggg

Answer 3

mk chịu

Answer 4

gọi vế trái là A

ta có : A.[(1+1/3)-(1+1/3)]

=A.0

=0

Answer 5

Ta có:

\(=\left(2013.2014+2014.2015+2015.2016\right).\left(\frac{4}{3}-\frac{4}{3}\right)\)

\(=\left(2013.2014+2014.2015+2015.2016\right).0\)

\(=0\)

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