Multiplication till 400

Calculate:

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

15	×	19	=
16	×	9	=
16	×	22	=
10	×	11	=
21	×	16	=
20	×	16	=
22	×	17	=
19	×	14	=
9	×	3	=
6	×	9	=