Lars' Kopfrechen-Trainer Subtraktion2
268 - 49 =
832 - 827 =
701 - 325 =
724 - 396 =
797 - 198 =
28 - 4 =
90 - 43 =
343 - 37 =
811 - 235 =
522 - 168 =
Hauptseite