Multiplication till 400

Calculate:

Number of examples:
Numerical difficulty:
Range of values:
Multiplicity:

17	×	13	=
13	×	20	=
13	×	18	=
7	×	5	=
15	×	13	=
8	×	14	=
5	×	5	=
6	×	7	=
13	×	26	=
12	×	24	=