Square power excercises till 400

Calculate:

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

62	+	92	=
32	+	72	=
112	+	92	=
102	+	42	=
92	+	82	=
112	+	52	=
32	+	22	=
72	+	92	=
112	+	62	=
12	+	32	=