Square power excercises till 400

Calculate:

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

102	+	102	=
152	+	52	=
32	+	42	=
22	+	42	=
82	+	62	=
52	+	52	=
42	+	22	=
72	+	112	=
42	+	52	=
52	+	42	=