100 + 10 + 1 = 110 +1 = 111

100 + 10 + 1 = 111

100+10+1=111

10-1-2

=-9-2

=7

tk nhe

\(10-1-2\)

\(=9-2\)

\(=7\)

10-1-2=7 ban nhe nho k cho minh nhe

100 -10 - 1 = 89

100-10-1=89

100-10-1

=90-1

=89

tk nhe

trao doi!

1000-100-10-1

=900-10-1

=890-1

=889

tk nhe

1000-100-10-1

=900-10-1

=890-1

=889

1 000 - 100 - 10 - 1

= 900 -10 - 1

= 890 - 1

= 889

tk r đó tk nha 

k mink nha

10000000000-2345432556=7654567444

kb nhé

10000000000-2345432556=9765456444

=6 nka k mk mk k lại         

\(10-2-2\)

\(=10-\left(2+2\right)\)

\(=10-4=6\)

= 6 quá dễ

bằng 6

6 minh nhe

9 -  2 - 1 = 6

i

uyiuitruit

cờ hó à

mk k roi k lai di

100-2-2

=98-2

=96

100-2-2=98-2=96

100-2-2

=98-2

=96

bn nhe

tk nhe