7-sinf “algebra” kursida o’rganilgan mavzularni takrorlash


Yangi mavzuni mustahkamlash


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9-Konspekt Geometriya 1-chorak

4. Yangi mavzuni mustahkamlash:

  1. Berilgan ko’pburchakka o’xshash ko’pburchakni yasash ketma-ketligini ayting.

  2. Daftaringizga biror ABCDE beshburchak chizing. Gomotetiya yordamida bu beshburchakka o’xshash, o’xshashlik koeffitsienti 0,5 ga teng bo’lgan beshburchak yasang. Gomotetiya markazi a) C nuqtada; b) beshburchak ichida; d) AB tomonda bo’lgan hollarni alohida ko’ring.

  3. Kataklarni inobatga olgan holda 3-rasmda berilgan shakllarni daftaringizga chizing: a) yaproqqa o’xshashlik koeffitsienti 3 ga teng bo’lgan yaproq; b) baliqchaga o’xshashlik koeffitsienti 0,8 ga teng bo’lgan baliqchani gomotetiya yordamida chizing.


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