Respuesta :

TSO
I have given you the two possible answers since you haven't provided all of the answer choices.

[tex]438\times 21 = \\\\\boxed{\bf{(400\times 21)+(30 \times 21) + (8\times 21)}}\\\\=\boxed{\bf{(438 \times 20)+(438\times 1)}}[/tex]

Otras preguntas