Square power excercises till 100

Calculate:

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

42	+	32	=
42	+	52	=
42	+	22	=
12	+	32	=
42	+	62	=
22	+	32	=
22	+	22	=
52	+	22	=
12	+	82	=
12	+	22	=