Multiplication till 400

Calculate:

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

14	×	14	=
2	×	2	=
15	×	25	=
15	×	22	=
10	×	12	=
7	×	2	=
13	×	23	=
12	×	6	=
17	×	18	=
11	×	15	=