PIIMA

#	Masala	Qiyinchiligi	Toifasi	Reyting
R044D	Uch o’quvchi	7%		3.4	3075	4350	14320	30.4
R045B	Uch bo’luvchilik son	30%		4.1	530	823	2285	36.0
R062G	Funksiyadan masala	25%	Matematika	3.2	160	276	840	32.9
R062I	Kitobdagi masala	24%	Matematika	3.2	183	308	780	39.5
R062H	3 & 2	43%	Matematika	2.7	89	116	599	19.4
R064H	Rational number	50%		2.2	135	180	891	20.2
R064E	Infinity sum	25%		3.7	170	228	467	48.8
R064D	Tangens pi	15%		3.2	307	525	1305	40.2
R064F	Matematik o'yla	40%		3.7	181	244	723	33.7
R064G	Hard-easy?	45%		2.3	200	237	590	40.2
R064B	Simple graph	10%		4	713	1163	2105	55.2
R064C	Easy for mathematian	10%		3.9	704	1079	2234	48.3
R064A	Cube	6%		3.7	1952	3058	6901	44.3