Question

2,5+2,5+4,5+4,5????

Answer 1

14 nha bn !!!

Answer 2

=14

k mik nha bn

Answer 3

\(2,5+2,5+4,5+4,5\)

\(=2,5.2+4,5.2\)

\(=5+9\)

\(=14\)

chuc bn hoc gioi!

Answer 4

2.5 + 2.5 + 4.5 + 4.5

= 2 . 2.5 + 4.5 . 2 

= 2 ( 2.5 + 4.5 )

= 2 . 7

= 14

Answer 5

2,5+2,5+4,5+4,5

=5,0+9,0

=14

Answer 6

\(2,5+2,5+4,5+4,5\)

\(=2,5.2+4,5.2\)

\(=5+9\)

\(=14\)

chuc bn hoc thiet gioi!