10 + 100 = 110
K MIK NHA BẠN !!!!!!!
mik k cho bạn rồi
so can tim la :
100+10=110
vay so can tim la 110
100 + 100
= 10 + ( 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 )
= 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10
= ( 10 + 10 ) + ( 10 + 10 ) + ( 10 + 10 ) + ( 10 + 10 ) + ( 10 + 10 ) + 10
= 20 + 20 + 20 + 20 + 20 + 10
= 20 x 5 + 10
= 100 + 10
= 110