|
Completer les pointillets
|
|
|
|
\begin{multicols}{2}
|
|
\begin{parts}
|
|
\part $23 +\quad \cdots \quad = 20 + 12$
|
|
\part $2 \times 6 = \quad \cdots \quad + 5$
|
|
\part $\quad \cdots \quad - 10 = 4 \times 21$
|
|
\part $ 5 - 7 = 2 - \quad \cdots \quad$
|
|
\end{parts}
|
|
\end{multicols}
|
|
|