2014 x 512 + 2015 x 488
= 2014 x 512 + ( 2014 + 1 ) x 488
= 2014 x 512 + 2014 x 488 + 488
= 2014 x ( 512 + 488 ) + 488
= 2014 x 1000 + 488
= 2 014 000 + 488
= 2 014 488
\(\text{2014 x 512 + 2015 x 488 = 2014 x 512 + ( 2014 + 1 ) x 488 = 2014 x 512 + 2014 x 488 + 488 = 2014 x ( 512 + 488 ) + 488 = 2014 x 1000 + 488 = 2 014 000 + 488 = 2 014 488}\)
\(2014\times512+2015\times488=2014\times512+\left(2014+1\right)\times488\)
\(=2014\times512+2014\times488+488\)
\(=2014\times\left(512+488\right)+488\)
\(=2014\times1000+488\)
\(=2014000+488\)
\(=2014488\)
2014 x 512 + 2015 x 488
= 2014 x 512 + ( 2014 + 1 ) x 488
= 2014 x 512 + 2014 x 488 + 1 x 488
= 2014 x 512 + 2014 x 488 + 488
= 2014 x ( 512 + 488 ) + 488
= 2014 x 1000 + 488
= 2014000 + 488
= 2014488
2014 x 512 + 2015 x 488
= 2014 x 512 + ( 2014 + 1 ) x 488
= 2014 x 512 + 2014 x 488 + 488
= 2014 x ( 512 + 488 ) + 488
= 2014 x 1000 + 488
= 2014000 + 488
= 2014488.
2014 x 512 + 2015 x 488
= 2014488
Đ/s : .............
2014 x 512 + 2015 x 488
= 2014 x 512 + ( 2014 + 1 ) x 488
= 2014 x 512 + 2014 x 488 + 488
= 2014 x ( 512 + 488 ) + 488
= 2014 x 1000 + 488
= 2014000 + 488
= 2014488
Trả lời:
\(2014\times512\)\(+2015\times488\)
\(=2014\times512+\)\(\left(2014+1\right)\times488\)
\(=2014\times512+\)\(2014\times488+488\)
\(=2014\times\left(512+488\right)\)\(+488\)
\(=2014\times1000+488\)
\(=2014000+488\)
\(=2014488\)
Hok tốt!
Vuong Dong Yet