Question

(2012×2012-2011×2011)×(278×38-76×139)

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Answer 1

dùng máy tính nha bạn

Answer 2

= 0 nha bạn

Answer 3

(2012x2012-2011x2011)x(10564-10564)

=(2012x2012-2011x2011)x0

=0

Answer 4

=[(2012*2012) - (2011*2011)] * [(278*38) - (76*139)]=0

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Answer 5

=

=

=

=

=

=

=

=

=0

Answer 6

Ta có :

\(\left(2012\times2012-2011\times2011\right)\times\left(278\times38-76\times139\right)\)

\(=\left(2012^2-2011^2\right)\times\left(139\times2\times38-38\times2\times139\right)\)

\(=\left(2012^2-2011^2\right)\times0\)

\(=0\)

Answer 7

(2012x2012-2011x2011)x(278x38-76x139)

=(2012x2012-2011x2011)x(10564-10564)

=(2012x2012-2011x2011)x0

=0