Hamsterkiste Mathe Klasse 1

Kreuz und quer bis 20

= 4 + 8
= 8 + 6
= 10 - 6
= 18 - 6
= 8 + 8
= 17 - 8		 = 15 + 5
= 11 - 6
= 12 - 5
= 19 - 5
= 20 - 12
= 4 + 14