M I N U S
unter den ersten Zehner
11 - 3 = ____ - ____ - ____ = _____
12 - 6 = ____ - ____ - ____ = _____
14 - 7 = ____ - ____ - ____ = _____
13 - 8 = ____ - ____ - ____ = _____
17 - 9 = ____ - ____ - ____ = _____
15 - 6 = ____ - ____ - ____ = _____
12 - 5 = ____ - ____ - ____ = _____
18 - 9 = ____ - ____ - ____ = _____
13 - 7 = ____ - ____ - ____ = _____
16 - 8 = ____ - ____ - ____ = _____
11 - 6 = ____ - ____ - ____ = _____
14 - 9 = ____ - ____ - ____ = _____
U. Willrodt, Lübeck
M I N U S
unter den ersten Zehner12 - 7 = ____ - ____ - ____ = _____
16 - 9 = ____ - ____ - ____ = _____
14 - 5 = ____ - ____ - ____ = _____
17 - 8 = ____ - ____ - ____ = _____
13 - 6 = ____ - ____ - ____ = _____
15 - 8 = ____ - ____ - ____ = _____
12 - 4 = ____ - ____ - ____ = _____
16 - 7 = ____ - ____ - ____ = _____
14 - 8 = ____ - ____ - ____ = _____
11 - 9 = ____ - ____ - ____ = _____
15 - 7 = ____ - ____ - ____ = _____
13 - 9 = ____ - ____ - ____ = _____
U. Willrodt, Lübeck