Respuesta :

TSO
a)
[tex]a \times b \times a = \boxed{\bf{a^2 \times b}}[/tex]

b)
[tex]4\times b\times 2\times a = \boxed{\bf{8ab}}[/tex]

c)
[tex]4a \times 8b = \boxed{\bf{32ab}}[/tex]

d)
[tex]15b\div 3a = \boxed{\bf{\frac{5b}{a}}}[/tex]

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