Adding till 400

Calculate:

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

14	+	35	=
111	+	94	=
39	+	79	=
17	+	22	=
195	+	170	=
65	+	62	=
175	+	119	=
139	+	204	=
47	+	27	=
104	+	187	=