Question

tính  nhanh :3876  * 2019 + 2019 * 6123 + 2019

Answer 1

Sai môn!

\(3876.2019+2019.6123+2019=2019\left(3876+6123+1\right)\)

                                                                        \(=2019.10000=20190000\)

Answer 2

Bài làm:

Ta có: \(3876.2019+2019.6123+2019\)

\(=2019.\left(3876+6123+1\right)\)

\(=2019.10000\)

\(=20190000\)

Answer 3

\(3876.2019+2019.6123+2019\)

\(=2019.\left(3876+6123+1\right)\)

\(=2019.10000\)

\(=20190000\)

Answer 4

3875×2019+2019×6123+2019

2019×(3876+6123+1)

2019×10000

20190000

Answer 5

   \(3876\times2019+2019\times6123+2019\)

\(=2019\times\left(3876+6123+1\right)\)

\(=2019\times10000\)

\(=20190000\)