9_klass_soch_№2_matematika_demo_obsheobr_
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Scroll down 👇![[image: ] [bookmark: _hlk152878246]9 klass matematika soch№ 2 demoversiya [bookmark: _heading=h.gjdgxs][bookmark: _hlk153200550]1. (b 1 ball) opredelite, verni ili lojni sleduyushie utverjdeniya. [bookmark: _hlk153201033]1. znak kosinusa ugla v pervoy chetverti “” [bookmark: _hlk153201143]2. znak sinusa ugla v tretey chetverti “” [bookmark: _hlk153201183]3. znak tangensa ugla vo vtoroy chetverti ““ [bookmark: _hlk153200437]a) verno, neverno, verno; b) verno, neverno, neverno; c) neverno, neverno, neverno; d) verno, verno, neverno; [bookmark: _hlk153201826]2. (b 1 ball) naydite paru chisel, udovletvoryayushuyu dannuyu sistemu uravneniy. a) () b) () c) () d) () 3. (b 1 ball) summa dvux chisel ravna 14, a ix proizvedenie 33. naydite bolshuyu iz etix chisel. a) b) c) d) 11 [bookmark: _hlk153216626]4. (q 4 balla) reshite sistemu uravneniy: a) i b) i c) i d) i 5. (q 4 balla) reshite sistemu uravneniy: a) () b) () c) () d) () [bookmark: _hlk153216645]6. (q 4 balla) reshite sistemu neravenstv. a) b) c) …](https://cdn.faylhub.uz/previews/pages/p1_293259.webp "9_klass_soch_№2_matematika_demo_obsheobr_ - Page 1")
![vert c) iii chetvert d) ii chetvert [bookmark: _hlk153217440]13. (b 4 balla) opredelite, verni ili lojni sleduyushie utverjdeniya: № utverjdeniya verno neverno 1 2 3 a) verno, neverno, verno; b) verno, verno, verno; c) neverno, neverno, neverno; d) verno, verno, neverno; [bookmark: _hlk153221866]14. (b 4 balla) ploshad treugolnika ravna 36 . naydite dlinu storoni , esli i ugol . a) 12 cm b) 9 cm c) 6 cm d) 8 cm [bookmark: _hlk153221895]15. (q 5,2 balla) odin ugol treugolnika raven . dlina protivolejashey emu storoni ravna 15 dm. naydite radius okrujnosti, opisannoy okolo treugolnika. a) 7,5 b) 1,2 c) 4,8 d) 15 [bookmark: _hlk153221948]16. (q 5,2 balla) esli v treugolnike , , , naydite dlinu storoni bc. a) b) 6,5 c) 7 d) [bookmark: _hlk153221993]17. (q 5,2 balla) opredelite, verni ili lojni sleduyushie utverjdeniya: dlya treugolnika so storonami dlinoy , i , ugol, protivolejashiy storone . № utverjdeniya verno neverno …](https://cdn.faylhub.uz/previews/pages/p2_293259.webp "9_klass_soch_№2_matematika_demo_obsheobr_ - Page 2")
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[image: ] [bookmark: _hlk152878246]9 klass matematika soch№ 2 demoversiya [bookmark: _heading=h.gjdgxs][bookmark: _hlk153200550]1. (b 1 ball) opredelite, verni ili lojni sleduyushie utverjdeniya. [bookmark: _hlk153201033]1. znak kosinusa ugla v pervoy chetverti “” [bookmark: _hlk153201143]2. znak sinusa ugla v tretey chetverti “” [bookmark: _hlk153201183]3. znak tangensa ugla vo vtoroy chetverti ““ [bookmark: _hlk153200437]a) verno, neverno, verno; b) verno, neverno, neverno; c) neverno, neverno, neverno; d) verno, verno, neverno; [bookmark: _hlk153201826]2. (b 1 ball) naydite paru chisel, udovletvoryayushuyu dannuyu sistemu uravneniy. a) () b) () c) () d) () 3. (b 1 ball) summa dvux chisel ravna 14, a ix proizvedenie 33. naydite bolshuyu iz etix chisel. a) b) c) d) 11 [bookmark: _hlk15321...
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