Masalalar
| # | Masala | Qiyinchiligi | Toifasi | Reyting | |||||
|---|---|---|---|---|---|---|---|---|---|
| R077I | Matritsadagi eng katta + (plus) | 10% | Oson | 3.5 | 680 | 1052 | 3116 | 33.8 | |
| R077E | Arifmetik progressiya | 60% | Matematika | 3.8 | 65 | 114 | 1576 | 7.2 | |
| R086G | Oxirgi yig'indi | 50% | Matematika, Oson | 3.5 | 747 | 1263 | 8393 | 15.0 | |
| R086D | Sobirjon qiziqqan matritsa | 30% | Oson, Matematika | 3.7 | 428 | 626 | 1912 | 32.7 |