Benutzer:Henkelgor

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== Addition von Brüchen==
<math>b_1+b_2= \frac{z_1}{n_1}+\frac{z_2}{n_2}</math>
== Turtlegrafik==
<canvas></canvas>
<run>
canvas.clear();
turtle.home();
turtle.forward(50);
turtle.right(90);
turtle.forward(50);
turtle.left(120);
turtle.forward(50);
turtle.left(120);
turtle.forward(50);
turtle.left(90);
turtle.forward(50);
turtle.right(120);
turtle.forward(50);
turtle.right(120);
turtle.forward(50);
turtle.right(120);
turtle.forward(50);
</run>