Matematika i-chorak 7-sinf

4. a=2.4, b=3.6, h=1,6 bo’lsa, S=h/2(a+b) ifodaning son qiymatini toping.
a) 48 b) 3.18 c) 6.36 d) 4.8
5. a=5.1, b=4.7 bo’lsa, P=2(a+b) ifodaning qiymatini toping.
a) 19,6 b) 196 c) 1.96 d) 18.16
6. Qavslarni oching va soddalashtiring: 5a+(3a-(4a+3))
a) 8a+3 b) 4a-3 c) -4a-3 d) 4a+3
7. To’g’ri to’rtburchakning yuzi S ga, asosi a gat eng. Uning perimetrini topish uchun ifoda tuzing.
a) (S/2a)+a b) S/a+2a c) S/2+a d) 2S/a
8. Amallarni bajaring: 2.17+(3.2-0.17)
a) 8.5 b) 2.8 c) 5.2 d) 6
9. a=2.5, b=2.4 va c=3.5 bo’lsa, V=abc ifodanign son qiymatini toping.
a) 18.3 b) 2.1 c) 21 d) 121
10. Algebraik ifoda deb nimaga aytiladi?
a) sonlar va harflardan tuzilib, amal belgilari bilan birlashtirilgan ifoda
b) harflar va sonlar birgalikda qatnashgan ifoda
c) faqat sonlardan tuzilgan ifoda d) faqat xarflardan tuzilgan ifoda
11. a=5, b=6.4, c=4.5 bo’lsa S=2(ab+ac+bc) ni hisoblang.
a) 50.45 b) 83.3 c) 166.6 d) 109
12. Ta’rifsiz qabul qilingan asosiy geometrik tushunchalarni ko’rsating: a) tekislik, b) nuqta, c) kesma, d) nur, e) to’g’ri chiziq, f) yarimtekislik
a) a, b, c b) b, c, e c) a, b, c, e d) a, b, e
13. Ikki qo’shni burchakning ayirmasi 24⁰ga teng, ulardan kichigini toping.
a) 72⁰ b) 76⁰ c) 78⁰ d) 82⁰
14. Soatning soat mili 30 minutda necha gradus buriladi?
a) 180 b) 15 c) 60 d) 30
15. Soat 4 bo’lganda, soat va minut millari orasidagi burchak necha gradus bo’ladi.
a) 60 b) 75 c) 105 d) 120
16. Geometriya so’zining ma’nosi
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17. 90⁰ li burchak qanday burchak deyiladi.
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18. Qo’shni burchaklarning yig’indisi nechaga teng?
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19. Vertikal burchaklarning yig’indisi nechaga teng?
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20. Uchburchaklar tengligining 2-alomati qisqacha qanday ataladi?
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