1 ⋅ 10 bis 100es rechnet:
1.    9 ⋅ 20 =
2.    5 ⋅ 20 =
3.    7 ⋅ 60 =
4.    5 ⋅ 100 =
5.    9 ⋅ 100 =
6.    4 ⋅ 90 =
7.    8 ⋅ 80 =
8.    2 ⋅ 20 =
9.    5 ⋅ 40 =
10.    9 ⋅ 90 =


(stoppt die Zeit für Dich)