Question

tinh gia tri bieu thuc bang cach hop li:

2002 x 20012001 - 2001 x 20022002

Answer 1

=2002x2001x10001-2001x2002x10001

=0

Answer 2

ket qua bang 0

Answer 3

2002 x 20012001 - 2001x20022002

=2002 x 2001 x10001-201 x 2002 x 10001

= 0

Answer 4

2002 x 20012001 - 2001x20022002

=2002 x 2001 x10001-201 x 2002 x 10001

= 0

Answer 5

2002*20012001-2001*20022002

=2002*2001*10001-2001*2002*10001

=(2002-2002)*(2001-2001)*(10001-10001)

=0

Answer 6

bằng 0