9 sinf matematika umumtalim chsb 2 demo

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[image: ] 9-sinf matematika 2-chsb demo [bookmark: _heading=h.gjdgxs]1. (b 1 ball) quyidagi tasdiqlarning to‘g‘ri yoki noto‘g‘ri ekanligini aniqlang. 1. birinchi chorakdagi burchak kosinusining ishorasi “” 2. uchinchi chorakdagi burchak sinusining ishorasi “” 3. ikkinchi chorakdagi burchak tangensining ishorasi ““ a) to‘g‘ri, noto‘g‘ri, to‘g‘ri; b) to‘g‘ri, noto‘g‘ri, noto‘g‘ri; c) noto‘g‘ri, noto‘g‘ri, noto‘g‘ri; d) to‘g‘ri, to‘g‘ri, noto‘g‘ri; 2. (b 1 ball) berilgan tenglamalar sistemasini qanoatlantiruvchi juftlikni toping. a) () b) () c) () d) () 3. (b 1 ball) ikki sonning yig‘indisi 14 ga ularning ko‘paytmasi 33 ga teng. shu sonlardan kattasini toping. a) b) c) d) 11 4. (q 4 ball) tenglamalar sistemasini yeching a) va b) va c) va d) va 5. (q 4 ball) tenglamalar sistemasini yeching. a) () b) () c) () d) () 6. (q 4 ball) tengsizliklar sistemasini yeching. a) b) c) d) 7. (q 4 ball) agar bo‘lsa, u holda ning eng katta qiymatini toping. …

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to‘g‘ri, noto‘g‘ri; d) to‘g‘ri, to‘g‘ri, noto‘g‘ri; 14. (b 4 ball) uchburchakning yuzi 36 . agar cm va burchak bo‘lsa, tomon uzunligini toping. a) 12 cm b) 9 cm c) 6 cm d) 8 cm 15. (q 5,2 ball) uchburchakning bir burchagi 30 ga teng. uning qarshisidagi tomon uzunligi 15 dm. uchburchakka tashqi chizilgan aylana radiusini toping. a) 7,5 b) 1,2 c) 4,8 d) 15 16. (q 5,2 ball) uchburchakda cm, cm, bo‘lsa, tomon uzunligini toping a) b) 6,5 c) 7 d) 17. (q 5,2 ball) quyidagi mulohazalardan to‘g‘ri yoki noto‘g‘riligi aniqlang: tomonlari uzunliklari , va va tomon qarshisidagi burchak bo‘lgan uchburchak uchun: № mulohazalar to‘g‘ri noto‘g‘ri 1 agar bo‘lsa u holda burchak o‘tmas burchak bo‘ladi 2 agar bo‘lsa u holda burchak to‘g‘ri burchak bo‘ladi 3 agar bo‘lsa u holda burchak o‘tkir burchak bo‘ladi a) to‘g‘ri, noto‘g‘ri, to‘g‘ri; b) to‘g‘ri, to‘g‘ri, to‘g‘ri; c) noto‘g‘ri, to‘g‘ri, noto‘g‘ri; d) to‘g‘ri, to‘g‘ri, noto‘g‘ri; 18. …

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[image: ] 9-sinf matematika 2-chsb demo [bookmark: _heading=h.gjdgxs]1. (b 1 ball) quyidagi tasdiqlarning to‘g‘ri yoki noto‘g‘ri ekanligini aniqlang. 1. birinchi chorakdagi burchak kosinusining ishorasi “” 2. uchinchi chorakdagi burchak sinusining ishorasi “” 3. ikkinchi chorakdagi burchak tangensining ishorasi ““ a) to‘g‘ri, noto‘g‘ri, to‘g‘ri; b) to‘g‘ri, noto‘g‘ri, noto‘g‘ri; c) noto‘g‘ri, noto‘g‘ri, noto‘g‘ri; d) to‘g‘ri, to‘g‘ri, noto‘g‘ri; 2. (b 1 ball) berilgan tenglamalar sistemasini qanoatlantiruvchi juftlikni toping. a) () b) () c) () d) () 3. (b 1 ball) ikki sonning yig‘indisi 14 ga ularning ko‘paytmasi 33 ga teng. shu sonlardan kattasini toping. a) b) c) d) 11 4. (q 4 ball) tenglamalar sistemasini yeching a) va b) va c) va d) va 5. (q 4 ball) tenglamalar sistemasini yeching. a)...

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