matematika test ixtisos7-8

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matematika test 7-sinf (ixtisos) 1-variant 1.hisoblang: a) 5 b) 3 c) 7 d) 11 2. ifodaning qiymatini toping: a) 0,5 b) 0,25 c) 1 d) 0,75 3.tenglamani yeching: a) –6 b) 6 c) 0 d) yechimi yo`q 4. agar a = , b = , bo’lsa, algebraik kasrning son qiymatini toping. a) b) 12 c) d) 5. agar bo`lsa, a ni toping: a) b) c) d) 6. ifodani soddalashtiring: 5u – (4u – (3u – (2u +( u – 1)))). a) 2y + 1 b) 3y – 1 c) y – 1 d) y + 1 7. tenglamani yeching: 0 . a) 6 b) 1,6 c) 1 d) 2 8. birhadlarni ko’paytiring: a) 12,5x11y7 b) –12,5x8y7 c) –12,5x11y7 d) 2,5x11y7 9. ifodani soddalashtiring: . 10.ifodani soddalashtirib, qiymatinihisoblang: , bunda 11. amallarni bajaring: a) b) c) a2 – ab d) 12. kasrlarni bo’ling: a) b) c) 4a – 5b d) 13. …

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) 6. uprostite virajenie: 5u – (4u – (3u – (2u +( u – 1)))). a) 2y + 1 b) 3y – 1 c) y – 1 d) y + 1 7. reshit uravnenie: 0 . a) 6 b) 1,6 c) 1 d) 2 8. naydite proizvedenie odnochlenov: a) 12,5x11y7 b) –12,5x8y7 c) –12,5x11y7 d) 2,5x11y7 9. uprostite virajenie . 10. uprostite virajenie i vichislite rezultat: pri 11. vipolnite deystviya: a) b) c) a2 – ab d) 12. vipolnite delenie: a) b) c) 4a – 5b d) 13. sokratite drob: a) b) c) d) 14. pri kakom znachenii vipolnyaetsya ravenstvo 15. naydite znachenie virajeniya . a) ; b) ; s) ; d) . 16. naydite znachenie virajeniya . a) 8100; b) 9 000; s) 800; d) 1000. 17. uprostite virajenie i naydite ego znachenie pri ukazannom znachenii peremennoy pri . a) 5,7; b) 6,8; s) 5,8 d) 6,7. [image: ]18. …

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d) 50 km/soat. 6. tenglamani yeching:. a) 9; b) 27; c) 243; d) 81. 7. ko’phadni standart shaklga keltiring: a) 4x2y – 3,75a2b b) 3x2y – 2a2b c) 3x2y + 10a2b d) 3x2y – 10a2b 8. agar a = –2, b = bo’lsa, ifodaning qiymatini toping. a) 10 b) 20 c) –1 d) –10 9. agar p = 6a2 + 4ab – 5b2, q = 2a2 – 6ab – 3b2 bo’lsa, p – q ni toping. a) 4a2 –2ab – 8b2 b) 4a2 –10ab – 8b2 c) 4a2 +10ab – 2b2 d) 4a2 +10ab – 8b2 10. kasrni qisqartiring: a) b) c) d) 11. agar bo‘lsa, nimaga teng? a) 4,5 b) 6,25 c) 5 d) 4,25 12. ifodani soddalashtiring: a) b) c) d) 13. kasrni qisqartiring: a) b) c) d) 14. 5050 ni 2525 ga bo‘lsa nima hosil bo‘ladi? a) 22 s) 225 s) 2525 d) 10025 15. tenglamani yeching: …

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0% initashkilqiladi, burchak m esa p burchakdan 4o katta. r burchakni toping. matematika dlya spetsializirovannix shkol testi 7 klass 2 variant. 1.naydite znachenie chislovogo virajeniya . a) 0,97; b) 0,93; s) 9,7; d) 1,07. 2.pust . naydite . a) –0,5; b) -1; s) virajenie ne imeet smisla; d) 1. 3. reshite uravnenie a) 0; b) korney net; s) ; d) 44. 4. v trex tsexax 1800 rabochix. v pervom tsexe rabochix v 1,2 raza bolshe, chem vo vtorom, a v tretem - na 100 chelovek bolshe, chem v pervom. skolko rabochix v tretem tsexe? a) 400; b) 500; s) 600; d) 700. 5. za 2 chasa gruzovik proezjaet na 20 km bolshe, chem legkovoy avtomobil za 1 chas. skorost legkovogo avtomobilya v 1,5 raza bolshe skorosti gruzovika. opredelite skorost gruzovika. a) 20 km/ch; b) 30 km/ch; s) 40 km/ch; d) 50 km/ch. 6. reshite uravnenie . a) 9; b) 27; …

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14 10 . 18. ugol pri vershine a treugolnika abc raven 50°. naydite ugol mejdu bissektrisami uglov b i c. [image: ]a) 75° b) 55° c) 115° d) 130° 19. esli a║b, to x = ?, y = ? 20. dani ∆abc i ∆dbc, s obshey storonoy bc. chemu raven cbd, esli acbd, ab=ac, bac=bcd=70°? 21. uprostite virajenie: 22. vichislite: 23. bissektrisa treugolnika s perimetrom 44 delit ego na dva treugolnika s perimetrami 36 i 24. naydite dlinu etoy bissektrisi. 24. v pryamougolnom treugolnike avs ugol s – pryamoy, ugol v raven 27o, sd – visota, sk - bissektrisa ugla asv. nayti ugol dsk. 25. v treugolnike mrk ugol r sostavlyaet 60% ugla k, a ugol m na 4o bolshe ugla r. naydite ugol r. matematika test 7-sinf (ixtisos) 3- variant 1. ifodani soddalashtiring: . 2. algebraik ifodaning son qiymatini toping: , bunda [bookmark: _goback] . 3. tenglamani yeching: a) …

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matematika test 7-sinf (ixtisos) 1-variant 1.hisoblang: a) 5 b) 3 c) 7 d) 11 2. ifodaning qiymatini toping: a) 0,5 b) 0,25 c) 1 d) 0,75 3.tenglamani yeching: a) –6 b) 6 c) 0 d) yechimi yo`q 4. agar a = , b = , bo’lsa, algebraik kasrning son qiymatini toping. a) b) 12 c) d) 5. agar bo`lsa, a ni toping: a) b) c) d) 6. ifodani soddalashtiring: 5u – (4u – (3u – (2u +( u – 1)))). a) 2y + 1 b) 3y – 1 c) y – 1 d) y + 1 7. tenglamani yeching: 0 . a) 6 b) 1,6 c) 1 d) 2 8. birhadlarni ko’paytiring: a) 12,5x11y7 b) –12,5x8y7 c) –12,5x11y7 d) 2,5x11y7 …

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