Multiplication till 400

Calculate:

The number of examples:
Numerical difficulty:
Range of values:
Multiplicity:

4	×	4	=
12	×	16	=
12	×	8	=
14	×	21	=
20	×	19	=
11	×	22	=
21	×	18	=
26	×	15	=
9	×	5	=
14	×	20	=