Question

tinh nhanh :2003*2777-2777*2003

Answer 1

\(2003\times2777-2777\times2003\)

\(=2003\times\left(2777-2777\right)\)

\(=0\)

p/s: chúc bạn học tốt

Answer 2

\(2003\cdot2777-2777\cdot2003\)

\(=2777\cdot\left(2003-2003\right)\)

\(=2777\cdot0\)

\(=0\)

Answer 3

2003 x 2777 - 2777 x  2003

= 2777 x ( 2003 -2003 )

= 2777 x 0

= 0

Answer 4

\(2003.2777-2777.2003\)

\(=2003.\left(2777-2777\right)\)

\(=0\)