Subtract till 400

Calculate:

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

385	-	68	=
341	-	66	=
95	-	55	=
190	-	144	=
346	-	15	=
344	-	181	=
160	-	7	=
194	-	103	=
19	-	12	=
235	-	27	=