Dividing till 100

Calculate:

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

90	/	30	=
63	/	21	=
39	/	13	=
69	/	23	=
72	/	24	=
96	/	16	=
20	/	2	=
15	/	3	=
58	/	29	=
21	/	3	=