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- \(6 + 6 = \)
- \(6 + 5 = \)
- \(8 + 4 = \)
- \(9 + 6 = \)
- \(7 + 6 = \)
- \(5 + 6 = \)
- \(8 + 5 = \)
- \(8 + 6 = \)
- \(8 + 3 = \)
- \(7 + 5 = \)
- \(7 + 4 = \)
- \(9 + 5 = \)
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Verbetersleutel
- \(\begin{align} & 6 + 6 \\= & 6 + 4+2\\= & 10 +2\\= & 12\end{align}\)
- \(\begin{align} & 6 + 5 \\= & 6 + 4+1\\= & 10 +1\\= & 11\end{align}\)
- \(\begin{align} & 8 + 4 \\= & 8 + 2+2\\= & 10 +2\\= & 12\end{align}\)
- \(\begin{align} & 9 + 6 \\= & 9 + 1+5\\= & 10 +5\\= & 15\end{align}\)
- \(\begin{align} & 7 + 6 \\= & 7 + 3+3\\= & 10 +3\\= & 13\end{align}\)
- \(\begin{align} & 5 + 6 \\= & 5 + 5+1\\= & 10 +1\\= & 11\end{align}\)
- \(\begin{align} & 8 + 5 \\= & 8 + 2+3\\= & 10 +3\\= & 13\end{align}\)
- \(\begin{align} & 8 + 6 \\= & 8 + 2+4\\= & 10 +4\\= & 14\end{align}\)
- \(\begin{align} & 8 + 3 \\= & 8 + 2+1\\= & 10 +1\\= & 11\end{align}\)
- \(\begin{align} & 7 + 5 \\= & 7 + 3+2\\= & 10 +2\\= & 12\end{align}\)
- \(\begin{align} & 7 + 4 \\= & 7 + 3+1\\= & 10 +1\\= & 11\end{align}\)
- \(\begin{align} & 9 + 5 \\= & 9 + 1+4\\= & 10 +4\\= & 14\end{align}\)