Question

tính thuận tiện:

 25,23 x 0,75 + 25,23 x 0,25

Answer 1

\(25,23\times0,75+25,23\times0,25\)
\(\Rightarrow25,23\times\left(0,75+0,25\right)\)
\(\Rightarrow25,23\times1\)
\(\Rightarrow25,23\)

Answer 2

= 25,23 . ( 0,75 + 0,25 )

= 25,23 . 1 = 25,23

Answer 3

25,23 x 0,75 + 25,23 x 0,25

= 25,23 x ( 0,75 + 0,25 )

= 25,23 x 1

= 25,23 

Answer 4

25,23