1 dan boshlab 25 kil

Uy ishi 1–4. Quyidagi shakllarning qanday qismi bo‘yalgan?

1. Doira 4 ta teng bo‘lakka bo‘lingan, 1 bo‘lagi bo‘yalgan.
2. Kvadrat 8 ta teng uchburchakka bo‘lingan, 3 tasi bo‘yalgan.
3. Beshburchak 5 ta teng uchburchakka bo‘lingan, 1 tasi bo‘yalgan.
4. Doira 6 ta teng sektorga bo‘lingan, 2 tasi bo‘yalgan. 5–12. Bo‘sh kataklarni to‘ldiring.
5. \(\frac{7}{10}=\frac{\square}{20}\)
6. \(\frac{35}{21}=\frac{\square}{3}\)
7. \(\frac{64}{100}=\frac{16}{\square}\)
8. \(\frac{3}{4}=\frac{39}{\square}\)
9. \(\frac{\square}{96}=\frac{7}{8}\)
10. \(\frac{\square}{720}=\frac{31}{48}\)
11. \(\frac{225}{\square}=\frac{5}{7}\)
12. \(\frac{779}{\square}=\frac{19}{31}\)

13–22. Kasrlarni qisqarmas kasr hosil bo‘lguncha qisqartiring: 13) \(\frac{77}{84}\) 14) \(\frac{80}{144}\) 15) \(\frac{40}{24}\) 16) \(\frac{60}{54}\) 17) \(\frac{48}{180}\) 18) \(\frac{72}{81}\) 19) \(\frac{66}{77}\) 20) \(\frac{35}{77}\) 21) \(\frac{480}{720}=\frac{\square}{9}=\frac{160}{\square}\) tenglik to‘g‘ri bo‘ladigan qilib bo‘sh kataklarni to‘ldiring va ularning yig‘indisini toping. 22) Asliddin \(\frac{120}{150}\) kasrni qisqartirdi va maxraji 5 bo‘lgan kasr hosil qildi. Bu kasrning suratini toping. 23) \(\frac{15}{35}\) kasr va maxraji 14 ga teng bo‘lgan kasrning qiymatlari o‘zaro teng. O‘sha kasrning surati va maxraji orasidagi farqni toping. 24) Maxraji 125 ga teng bo‘lgan va qiymati \(\frac{7}{25}\) ga teng kasrni toping. 25–32. Quyida berilgan noto‘g‘ri kasrlarni aralash songa o‘ting. 25) \(\frac{77}{5}\)