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\(44 + 38 = \ldots\)
\(\begin{align} & 44 + 38\\= & \color{green}{40} + \color{red}{4} + \color{green}{30} + \color{red}{8} \\= & \color{green}{70} + \color{red}{12} \\= & \color{green}{70} + \color{orange}{10} + \color{red}{2} \\= & \color{orange}{80} + \color{red}{2} \\= & \color{red}{82} \end{align}\)
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vanhoeckes.be/wiskunde 2025-04-26 07:15:22