7 – sinf. Matematika. III-chorak. I-variant.
1. Amallarni bajaring , 3, 15 + ( 4,3 – 2, 18 ) =
A. 3, 5 B. 5, 27 D. 4,18 E. 6, 3 F. 7, 4
2. Algebralik ifodaning qiymatini toping 2a + 3 b = bunda a = 3 b = -2
A. 0 B. –2 D. 3 E. –4 F. 5
3. Ifodani son qiymatini toping.
A. 33 B. 35 D. 36 E. -33 F.-35
4. Har biri 25 so’mdan 12 ta daftar va har biri 7 so’mdan 20 ta qog’oz sotib olindi.
Hamma harid qancha bo’ladi?
A. 580 B. 420 D. 450 E. 440 F. 300
5. Ildizi 5ga teng bo`lgan tenglamalarni ko`rsating.
1. 4x – 12 = 8; 2. 3x + 12 = 18; 3. 7x + 3 = 38; 4. 3x- 5 = 2x;
A. (1;3;4;) B. (1;2;3); D. (2;3;4); E. (1:2;4); F. (2;3;3;).
6. Sonli ifodaning qiymatini toping.
A. 72 B. 24 D. 32 E. 48 F. 54
7. Hisoblang 2, 18 – ( 1, 45 – 4, 8 – 0, 25) =
A. 4,54 B. 8, 4 D.- 6,25 E. 5, 78 F. 3, 4
8.Ifodani soddalashtiring va uni son qiymatini toping.
A) 0,1 ; B) - 0,1; D) 1; E) –1; F) 2;
9. Tenglamani yeching.
A. 6 B. 5 D. 8 E. –7 F. -2
10. Onasi 48 yoshda, qizi esa 18 yoshda. Necha yil oldin qizi onasidan 3 marta yosh bo’lgan?
A. 6 B. 2 D. 5 E. 4 F. 3
11.Tenglamani eching:
A. x=15; B. x=12; D. x=10; E. x=9 ; F. x=11.
12. Ifodani daraja shaklida yozing.
A. B. D. E. F.
13. Ifodani qiymatini toping;
A. B. ; D. ; E. ; F. ;
14. Daraja shaklida yozing.
A. a23 B. a18 D. a16 E. a17 F. a12
15). Birhadlarni ko’paytiring.
A. 1/2 a5 b6 x5 B. 1/2 a6 b8 x6 D. 1/3 a b2 x-1 E. 1/4 a b6x5 F. 1/2 a b2 x
16. 0 37/ ; 0 48/ bo`lsa, < A + < B ni toping.
a) 75035/ b) 76025/ s) 74025/ d) 75025/
17. Ko’phadni standart shakliga keltiring. 3a2 b - 8b2 - 5a2b + 6b2 + 3a2b - 2c2 =
A. 2 a2 b + 4b2 B. a 2 b - 2 b2 – 2 c2 D.5 a2 b2 –2 b E. 3 a2 b - 3 c2 F. 4 a2 - 5 c2
18. Ko’phadning yig’indisini toping. (3x2 - 2xy - y2 ) - (4 x2 + 3 xy + 2 y2 ) =
A. 5x2 - 3 xy; B.4x2- 3xy+2y2; D –x2 - 5xy – 3y2; E. 7x2 – 3 xy; F. 5x2 - 3 xy +7 y2
19. Ifodani soddalashtiring.
A. –6 x+ 23 y B. –2 x+15 y D. – 8x + 18 y E. – 9 x – 37 y F. 7 x- 9 y
20. Tenglamani eching.
A. ; B. ; D. ; E. ; F. .
21. Ifodani soddalashtiring. (4a3b2)3 : (2a2b)2 =
A. 16a5 b4 B. 12a3 b3 D. 16a2b4 E. 16a2b3 F. 8a5b4
22. Ko’paytuvchilarga ajrating. x (a - 2) + y(2 – a) + (a – 2) =
A. (a - 2)(x – 2y) B.(a - 2)(x-y+1) D.(a - 3) (x - 2) E.(a - 2) (y - 2) F. (a - 4) ( A - 2)
23 Hisoblang.
A. 720 B. 680 D. 240 E. 320 F.744
24. Soddalashtiring.
A. b2 B. 0 D. b3 E. b4 F. b5
25. Ikki son ayirmasining kvadratini toping. (6a - 4b)2 =
A. 36a2 – 48ab + 16b2 B. 12a2 - 8b2 D.36a2 - 16b2 E.12a - 16b
7 – sinf. Matematika. III-chorak. 1-variant
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7 – sinf. Matematika. III-chorak. II-variant.
1. Daraja shaklida yozing.
A. a23 B. a18 D. a16 E. a17 F. a12
2. Birhadlarni ko’paytiring.
A. 1/2 a5 b6 x5 B. 1/2 a6 b8 x6 D. 1/3 a b2 x-1 E. 1/4 a b6x5 F. 1/2 a b2 x
3. 0 37/ ; 0 48/ bo`lsa, < A + < B ni toping.
a) 75035/ b) 76025/ s) 74025/ d) 75025/
4. Ko’phadni standart shakliga keltiring. 3a2 b - 8b2 - 5a2b + 6b2 + 3a2b - 2c2 =
A. 2 a2 b + 4b2 B. a 2 b - 2 b2 – 2 c2 D.5 a2 b2 –2 b E. 3 a2 b - 3 c2 F. 4 a2 - 5 c2
5. Ko’phadning yig’indisini toping. (3x2 - 2xy - y2 ) - (4 x2 + 3 xy + 2 y2 ) =
A. 5x2 - 3 xy; B.4x2- 3xy+2y2; D –x2 - 5xy – 3y2; E. 7x2 – 3 xy; F. 5x2 - 3 xy +7 y2
6. Ifodani soddalashtiring.
A. –6 x+ 23 y B. –2 x+15 y D. – 8x + 18 y E. – 9 x – 37 y F. 7 x- 9 y
7. Tenglamani eching.
A. ; B. ; D. ; E. ; F. .
8. Ifodani soddalashtiring. (4a3b2)3 : (2a2b)2 =
A. 16a5 b4 B. 12a3 b3 D. 16a2b4 E. 16a2b3 F. 8a5b4
9. Ko’paytuvchilarga ajrating. x (a - 2) + y(2 – a) + (a – 2) =
A. (a - 2)(x – 2y) B.(a - 2)(x-y+1) D.(a - 3) (x - 2) E.(a - 2) (y - 2) F. (a - 4) ( A - 2)
10 Hisoblang.
A. 720 B. 680 D. 240 E. 320 F.744
11. Soddalashtiring.
A. b2 B. 0 D. b3 E. b4 F. b5
12. Ikki son ayirmasining kvadratini toping. (6a - 4b)2 =
A. 36a2 – 48ab + 16b2 B. 12a2 - 8b2 D.36a2 - 16b2 E.12a - 16b
13. Amallarni bajaring , 3, 15 + ( 4,3 – 2, 18 ) =
A. 3, 5 B. 5, 27 D. 4,18 E. 6, 3 F. 7, 4
14. Algebralik ifodaning qiymatini toping 2a + 3 b = bunda a = 3 b = -2
A. 0 B. –2 D. 3 E. –4 F. 5
15. Ifodani son qiymatini toping.
A. 33 B. 35 D. 36 E. -33 F.-35
16. Har biri 25 so’mdan 12 ta daftar va har biri 7 so’mdan 20 ta qog’oz sotib olindi.
Hamma harid qancha bo’ladi?
A. 580 B. 420 D. 450 E. 440 F. 300
17. Ildizi 5ga teng bo`lgan tenglamalarni ko`rsating.
1. 4x – 12 = 8; 2. 3x + 12 = 18; 3. 7x + 3 = 38; 4. 3x- 5 = 2x;
A. (1;3;4;) B. (1;2;3); D. (2;3;4); E. (1:2;4); F. (2;3;3;).
18. Sonli ifodaning qiymatini toping.
A. 72 B. 24 D. 32 E. 48 F. 54
19. Hisoblang 2, 18 – ( 1, 45 – 4, 8 – 0, 25) =
A. 4,54 B. 8, 4 D.- 6,25 E. 5, 78 F. 3, 4
20.Ifodani soddalashtiring va uni son qiymatini toping.
A) 0,1 ; B) - 0,1; D) 1; E) –1; F) 2;
21. Tenglamani yeching.
A. 6 B. 5 D. 8 E. –7 F. -2
22. Onasi 48 yoshda, qizi esa 18 yoshda. Necha yil oldin qizi onasidan 3 marta yosh bo’lgan?
A. 6 B. 2 D. 5 E. 4 F. 3
23.Tenglamani eching:
A. x=15; B. x=12; D. x=10; E. x=9 ; F. x=11.
24. Ifodani daraja shaklida yozing.
A. B. D. E. F.
25. Ifodani qiymatini toping;
A. B. ; D. ; E. ; F. ;
III-chorak.2-variant
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7 – sinf. Matematika. IV-chorak. I-variant.
1. Amallarni bajaring.
A) 30 ; B) 40,5; D) 40 ; E) 30,5; F) 41;
2. Algebraik ifodaning son qiymatini toping.
A. ; B. ; D. ; E. ; F.
3. n = 2k + 1 formulada k = - 5 bo’lganda n ning quymatini toping .
A. –5 B. 8 D. –9 E. 0 F. -7
A. 37; B. 33; D. - 40; E. – 33; F. 40.
4. Ifodalarning son qiymatlarini taqqoslang.
A. (a+b)2 <5ab; B. (a+b)2 >5ab; D. (a+b)2 =5ab; E. (a+b)2 >6ab; F. (a- b)2 >5ab;
5. A = 2n formulada A = 72 bo’lsa n ning qiymatini toping.
A. 36 B. 48 D. 24 E. 32 F. 60
6. .|----------------|-----------|---------| AB=16sm; AS=7sm; DB=4sm bo’lsa, SD kesmani toping.
A S D B
A. 6sm; B. 5sm; D.4sm; E. 7sm; F. 5,5sm;
7. Tenglamani eching:
A. x=4 ; B. x=6; D. x=2; E. x=5; F. x=- 5;
8. Tenglamani yeching . 8 x – 3 = 5 x + 12
A. 6 B. 5 D. 8 E. 9 F. 12
9. Tenglamani eching:
A. x=0; B. x=17; D. x= -17; E. yechimga ega emas; F. x= -0;
10. Zavod mashina ishlab chiqarish buyurtmasini 20 kunda bajarishi kerak edi. Lekin zavod har kuni rejalashtirilganidan tashqari 1ta mashina ortiq ishlab chiqarganligi sababli, muddatidan bir kun oldin buyurtmani bajaribgina qolmasdan, balki qoshimcha 4 ta ortiq mashina ishlab chiqargan. Zavod buyurtma bo’yicha nechta mashina ishlab chiqarishi kerak edi?
A. 300ta; B. 400ta; D. 404ta; E. 304ta; F. 3001 ta.
11. Ifodani soddalashtiring
A. 18 B. 28 D. 32 E. 120 F. 645
12. Hisoblang: ;
A. 2; B. 8; D. 4; E.16; F. 9.
13. Hisoblang.
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