Question

90 + 10  + 10 + 10 + 80 = ?

999 + 1 + 100 = ?

ai tíck mik thì mik tíck lại

còn không thì thôi =)

Answer 1

200 

110

nha bn

k mk nha bn

T H A N K   Y O U

Answer 2

90 + 10 + 10 + 10 + 80

= 100 + 10 + 10 + 80

= 110 + 10 + 80

= 120 + 80

= 200

________________________________

999 + 1 + 100

= 1000 + 100

= 1100

Answer 3

200

200

nha bn

mk k bn bn k mk nha

Answer 4

90 + 10 + 10 + 10 + 80 = ( 90 + 10 ) + ( 80 + 10 + 10 ) = 100 + 100 = 200

999 + 1 + 100 = ( 999 + 1 ) + 100 = 1000 + 100 = 1100

Answer 5

90+10+10+`10+80=200

999+1+100=1100

ok

Answer 6

=200

=1100 nha bn

Answer 7

90 + 10 + 10 + 10 + 80

= 90 + 10 x 3 + 80

= 90 + 30 + 80

= 120 + 80

= 200

__________________________________

999 + 1 + 100

= 1000 + 100

= 1100

Answer 8

200 và 110