Question

calcule (-200):(+0,5)

Answer 1

Lembrete:

$\mathsf{\dfrac{a}{b}\div \dfrac{c}{d}=\dfrac{a}{b}\cdot \dfrac{d}{c}}$
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$\mathsf{-\dfrac{200}{0,5}=-\dfrac{200}{\dfrac{1}{2}}=-200\cdot \dfrac{2}{1}=-400}$

$\boxed{\boxed{\mathbf{Resposta:\:-400}}}\:\: \checkmark$