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Addieren und subtrahieren mit Variablen
Berechne!
m + 2m =
5x + 3x =
3s + s + 4s =
2u + 4u + 3u =
1,2a + 3,5a =
0,3e + 12,1e + 2,7e =
7s - 4s =
8x - 13x =
4m - 12m =
6a - a - 5a =
12,7u - 11,3u =
60,3t - 15,5t =
Check
OK
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