Brug Mix (reeks 1)

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\(44 + 54 = \ldots\)

\(\begin{align} & 44 + 54\\= & \color{green}{40} + \color{red}{4} + \color{green}{50} + \color{red}{4} \\= & \color{green}{90} + \color{red}{8} \\= & \color{red}{98} \end{align}\)