Multiple Choice: Unterschied zwischen den Versionen

Version vom 18. Februar 2009, 10:15 Uhr

1. $0,75 -\Box =\frac{1}{4}$ ( $\frac{1}{2}$ ) (! $0,25$ ) ( $50%$ )

2. $\frac{5}{32} + \Box = 2\frac{3}{4}$ ( $2\frac{19}{32}$ ) (! $0,54$ ) (! $1\frac{3}{15}$ )

4. $\frac{1}{2} + \Box = 3$ (! $2$ ) ( $2\frac{1}{2}$ ) (! $2,52$ )

5. $\frac{4}{8} + \Box = \frac{5}{4}$ ( $\frac{6}{8}$ ) (! $\frac{1}{2}$ ) ( $75%$ )

6. $\frac{5}{10} - \Box = \frac{1}{2}$ (! $\frac{1}{4}$ ) ( $0$ ) (! $\frac{2}{10}$ )