Question

tính nhanh

1,79*81+1,79*19

Answer 1

=1.79x(81+19)

=1.79x100

=179

đáp số:179

Answer 2

1,79x81+1,79x19

=1,79x(81+19)

=1,79x100

=179

Answer 3

1,79*81+1,79*19

= 1,79*(81+19)

=1,79*100

=179