Question

-1999.19981998+19991999.1998

Giup minh vs minh can gap ai giup nhanh ma dung TICK luon

 

Answer 1

- 1999 . 19981998 + 19991999 . 1998

= - 1999 . 1998 . 10001 + 1999 . 10001 . 1998

= 10001 . 1998 ( - 1999 + 1999 )

= 10001 . 1998 . 0

= 0

Answer 2

-1999.19981998+19991999.1998=0

hok tốt

Answer 3

=-1998(19981998-19991999)

=-1998.-1

=1998

kb vs **** cho mik nha

Answer 4

-1999.19981998+19991999.1998=19990000 nha bn

k mink nha

Answer 5

- 1999.19981998 + 19991999.1998

= ( - 1999 ) . 1998 . 10 001 + 1999 . 10 001 . 1998

= 1998 . [ ( - 1999 ) . 10 001 + 1999 . 10 001 ]

= 1998 . 0

= 0

Answer 6

-1999.19981998 + 19991999.1998 = 0

chúc bn học tốt!

Answer 7

- 1999 . 19981998 + 19991999 . 1998

= - 1999 . 199819998 + 1999 . 10001 . 1998

= - 1999 . 19981998 + 1999 . 19981998

= 19981998 ( - 1999 + 1999 )

= 19981998 . 0

= 0