69 . 54 + 69 . 45 + 69
= 69 . 54 + 69 . 45 + 69 . 1
= 69 . ( 54 + 45 + 1 )
= 69 . 100
= 6900
69x54+69.45+69
=69x(54+45)+69
=69x99+69
=6831+39
=6870
k mình nhé
69.54 + 69.45 + 69
= 69.( 54 + 45 + 1 )
= 69. 100
= 6900
69 . 54 + 69 . 45 + 69
= 69 . 54 + 69 . 45 + 69 . 1
= 69 . (54 + 45 + 1)
= 69 . 100
= 6900
69 . 54 + 69.45 + 69
= 69 . ( 54 + 45 + 1 )
= 69 . 100
= 6900
69 . 54 + 69 . 45 + 69
= 69 . ( 54 + 45 + 1 )
= 69 . 100
= 6900
69 . 54 + 69 . 45 + 69
= 69 . (54 + 45 + 1)
= 69 . 100
= 6900
69 . 54 + 69 . 45 + 69 = 69 . (54 + 45 + 1)
= 69 . 100
= 6900
Chúc bạn học tốt!