Question

4.5+5.4=?

Answer 1

4.5+5.4=9.9

nha bạn 

Answer 2

4,5 + 5,4 = 9,9

Tk mk nhé

Answer 3

\(4\times5+5\times4\)

\(=4\times\left(5+5\right)\)

\(=4\times10\)

\(=40\)

c2: \(4\times5+5\times4\)

\(=20+20\)

\(=40\)

Answer 4

4,5+5,4

=9,9

Nếu đúng bn k nha, cảm ơn nếu bn k cho mk!

Answer 5

= 9,9 nhé bn

Answer 6

C1: 4.5+5.4

=4. (5+5)

=4.10=40

C2: 4.5+5.4

=20+20=40