1999999999999999999999999999999999999999 =1x1x1x1x1x1x1x1x1x1x1x1x1x....x1=1
1999999999999999999999999=1
#Học tốt
\(1^{999999999999999999999999}=1\)
học tốt
nhớ k cho mình nữa
=1
---------------hok tốt--------------------
#anhduongvotulu
=1
---------------hok tốt--------------------
#anhduongvotulu