Question

 328.21.(2997 – 326).( 36.25 – 18.50)     

Answer 1

Dấu chấm kia nghĩa là gì vậy bạn???

Answer 2

328.21.(2997-326).(36.25-18.50)

328.21.2671.(900 - 900)

6888.2671

18 397 848

Answer 3

   328.21.(2997 – 326).( 36.25 – 18.50)   

=328.21.(2997-326).(900-900)

=328.21.(2997-326).0

=0