Square power excercises till 400

Calculate:

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

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