Square power excercises till 400

Calculate:

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

32	+	22	=
42	+	32	=
72	+	42	=
82	+	92	=
32	+	42	=
122	+	82	=
62	+	52	=
42	+	102	=
82	+	102	=
52	+	22	=