Question

 a) 28 x 76 +15 x 28 +9 x 28

Answer 1

Các bạn giải giúp mik ik

Answer 2

a) \(28.76+15.28+9.28\)

= \(28.\left(76+15+9\right)\)

= \(28.100\)

= \(2800\)

Chúc bạn học tốt !!!

Answer 3

Trả lời

a)28.76+15.28+9.28

=28.(76+15+9)

=28.100

=2800

Answer 4

\(28\text{ x }76+15\text{ x }28+9\text{ x }28\)

\(=28\text{ x }\left(76+15+9\right)\)

\(=28\text{ x }100\)

\(=2800\)

Answer 5

\(28\text{ x }76+15\text{ x }28+9\text{ x }28\)

\(=28\text{ x }\left(76+15+9\right)\)

\(=28\text{ x }100\)

\(=2800\)

Answer 6

\(28.76+15.28+9.28\)

\(=28.\left(76+15+9\right)\)

\(=28.100\)

\(=2800\)

Answer 7

Thanks ,các bạn nhiều :D