Adding till 400

Calculate:

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

205	+	165	=
19	+	22	=
46	+	49	=
6	+	9	=
201	+	163	=
116	+	86	=
77	+	92	=
24	+	14	=
123	+	72	=
122	+	148	=