Question

Bài 1 thực hiện phép tính

a,25.69+31.25-150                               

Answer 1

\(25\cdot69+31\cdot25-150\)
\(=25\cdot\left(69+31\right)-150\)
\(=25\cdot100-150\)
\(=2500-150\)
\(=2350\)

Answer 2

= 25 . ( 69 + 31 ) -150

= 25 . 100 - 150

= 2500 - 150 = 2350

Answer 3

=(25.69+31.25)-150

=25(69+31)-150

=25.100-150

=2500-150

=24850

Answer 4

=2350