Question

a) 1,472 x 81 + 1,472 x 18 + 1,472

Answer 1

bai nay la 147,2

Answer 2

1,472*81+1,472*18+1,472

=1,472*(81+18+1)

=1,472*100

=147,2

vậy 1,472*81+1,472*18+1,472=147,2