Question

100x10+100x9+100

Answer 1

\(=1000+900+100\)

\(=1000+1000\)

\(=2000\)

Answer 2

=2000

tíck mik nhé

Answer 3

100 x 10 + 100 x 9 + 100

= 100 x 10 + 100 x 9 + 100 x 1

= 100 x (10 + 9 + 1)

= 100 x 20

= 2000

Answer 4

100 x 10 + 100 x 9 + 100 = 100 x 10 + 100 x 9 + 100 x 1

                                         = 100 x (10 + 9 + 1)

                                          = 100 x 20

                                          =   2000

K mình nha!!!

Answer 5

100*10+100*9+100

=100*10+100*9+100*1

=100*[9+10+1]

=100*20

=2000

Answer 6

   100 x 10 + 100 x 9 + 100

=   1 000    +     900  + 100

=           1 900          + 100

=                          2 000

k mk nhé bn ^_-

Answer 7

100 x 10 + 100 x 9 + 100

= 100 x ( 10 + 9 + 1 )

= 100 x 20

= 2000