7-sinf-algebra-1-2-3-4-chorak

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@matematiklar_tv @matematiklar_tv 7-sinf a l g e b r a i - c h o r a k 1.tenglamani yeching. 3x+2x=17+(-27) a) 2 b)-2 c)3 d)4 2. to`g`ri to`rtburchakning yuzi 20, 25 dm2 ga, eni 3,24 dm ga teng. shu to`g`ri to`rtburchakning perimetrini toping. a) 18,98 b)9,49 c)3,24 d)6,25 3. proporsiyaning noma`lum hadini toping. 3,5:x=2,4:4,8 a) 4 b)5 c)6 d)7 4. amallarni bajaring;  3,1 33)-0,3:7,8 (  :0,7 a) 1 b)2 c)3 d)4 5. amallarni bajaring. 9,49-(1,5+0,99) a) 7 b)6 c)5 d)4 6. algebraik ifodaning qiymatini toping; ca ca   2 3 bunda a=3, c=-1 a) 1 b)0 c)2 d)3 7. ifodani soddalashtiring va son qiymatini toping: 7(10-x)+3 (2x-1) bunda x=-0,048 a) 025,4 b)45,20 c)67,048 d)59,10 8. arfmetik amallarning hossalaridan foydalanib hisoblang. 12 1 (4,8-0,24-1,2) a) -0,28 b)0,49 c)0,50 d)0,28 9. soddalashtiring. 8x-(3x-2y)-5y a) 7x-y b)5x-3y c)8x-2y d)2y-y 10. avval soddalashtirib kiyin uning son qiymatini toping; (3a-4b)-(2a-3b) bunda …

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g. 23. 12 kvadrati qanday raqam bilan tugaydi? 24. matematikada raqamlar soni nechta? 25.hisoblang. -(-3)2 (-2)3 savol 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 javob b a d c a b c d b b a a b d d a a b b 5 5 29 sm 4 10 72 @matematiklar_tv @matematiklar_tv @matematiklar_tv @matematiklar_tv 7-sinf a l g e b r a ii-chorak 1.hisoblang. -5(-2)3 a) 10 b)40 c)30 d)20 2.amallarni bajaring. (-0,1 ab2c)2 (100by2) a) 20 ab b)a2b5c2y2 c)30 b d)10b3y2c2 3.birhadni darajaga ko`taring. (-2a2 b)3 a) -8a6b3 b) 8a6b3 c) 18a4b2 d) -2a2b 4.birhadni ko`pytiring. (5a) (a2 b2) (-2b) (-3a) a) 30a4b3 b) 20a4b3 c) -30a4b3 d) 20a5b6 5.sonlarning asosi 2 bo`lgan daraja shaklida yozing. 1024 a) 22 b) 28 c) 210 d) 211 6.tenglamani yeching. x. 26=28 a) …

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mn+6n-m-6 19.bo’lishni bajaring; -6,4xy(-4x) a) 1,6y b) 16x c) 16y d) -1,6y 20.bo’lishni bajaring; (15z):(5z) 21.ifodani daraja ko’rinishida tasvirlang; 53.52 22. a sonining kubining yozing. 23. odamning yuragi 1 minutda o`rtacha 75 marta ursa, uning yuragi 5 minutda necha marta uradi? 24. 13 sonining kvadrati qanday son bilan tugaydi? 25. birhadlarni ko`paytiring; (4a2) (6a3) savol 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 21 22 23 2 4 25 javo b b b a a c c d d c b a b c a b d c d a 3 5 5 a 3 37 5 9 24a 5 @matematiklar_tv @matematiklar_tv @matematiklar_tv @matematiklar_tv 7-sinf algebra iii-chorak 1.umumiy ko`paytuvchini qavsdan tashqariga chiqaring. 15x5-5x3 a) 5(3x5-x3) b) 5x3(3x2-1) c) 5x5(3-1) d) 3(5x-5) 2.hisoblang. 25.734-25.726 a) 200 b) 300 …

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zligi va qayiqning turg`un suvdagi tezligini toping. a) 2 km soat, 16 km soat b) 3 km soat, 4 km soat c) 6 km soat d) 8 km soat, 7 km soat 17. hisoblang. 16,92-16,9.3,7-16,9.3,2 a) 169 b) 1,69 c) 1,69 d) -1,69 18. ifodani son qiymatini toping. a3-a2b-3a+3b bunda a=2,5; b=-1,5 a) 12 b) 13 c) 11 d) 10 19. tenglamani yeching. (3x+2)2-(3x-4)2=132 a) 3 b) 4 c) 2 d) 1 20. tenglamani yeching. 81x2-(4-9x)2=56 21. hisoblang. 2 3. 3 32 22. sonlarni asosi 3 bo`lgan daraja shaklida yozing. 729; 23. hisoblang. 2(-3)2 24. hisoblang. (-5)2.       5 3 25. tenglamani yeching. 1,3x-3,5x=11.(-0,5) savol 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 22 23 24 25 javo b b …

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5-(23+39) a) 60 b)59 c) 62 d) 61 16. qavslarni oching va hisoblang. 14-(7-13+2) a) 18 b)17 c) 16 d) 15 17. a=5,1 b=4,7 bo`lsa p=2(a+b) ifodaning son qiymatini toping. a) 1,96 b)196 c) 19,6 d) 197 18. tenglamani yeching. 9x-23=5x-11 a) 4 b)2 c) 3 d) -3 19. tenglamani yeching. 4-8y+8=2y-10+7y+9 a) y=-1 b) y=1 c) y=0 d) y=2 20.o`quvchi bir son o`yladi. agar uni 4 ga ko`paytirilsa, ko`paytmaga esa 8 soni qo`shilsa va hosil bo`lgan yig`indini 2 ga bo`linsa, u holda 10 hosil bo`ladi. o`quvchi qanday sonni o`ylagan? 21. tenglamani yeching. 2x-3(x-1)=4+2(x-1) 22. hisoblang. (-1)7 23. ifodaning asosi a bo`lgan daraja shaklida yozing (a5)6 24. amallarni bajaring. (-a)3(2a) @matematiklar_tv @matematiklar_tv 25. amallarni bajaring. 4,07-5,49+8,93-1,51 savol 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 21 2 …

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@matematiklar_tv @matematiklar_tv 7-sinf a l g e b r a i - c h o r a k 1.tenglamani yeching. 3x+2x=17+(-27) a) 2 b)-2 c)3 d)4 2. to`g`ri to`rtburchakning yuzi 20, 25 dm2 ga, eni 3,24 dm ga teng. shu to`g`ri to`rtburchakning perimetrini toping. a) 18,98 b)9,49 c)3,24 d)6,25 3. proporsiyaning noma`lum hadini toping. 3,5:x=2,4:4,8 a) 4 b)5 c)6 d)7 4. amallarni bajaring;  3,1 33)-0,3:7,8 (  :0,7 a) 1 b)2 c)3 d)4 5. amallarni bajaring. 9,49-(1,5+0,99) a) 7 b)6 c)5 d)4 6. algebraik ifodaning qiymatini toping; ca ca   2 3 bunda a=3, c=-1 a) 1 b)0 c)2 d)3 7. ifodani soddalashtiring va son qiymatini toping: 7(10-x)+3 (2x-1) bunda x=-0,048 a) 025,4 b)45,20 c)67,048 d)59,10 8. arfmetik …

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