sinf. Algebra -variant Ifodaning son qiymatini toping: 4 – + 7


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7-sinf algebra 3-chorak yakuni test 2-variant


7-sinf. Algebra 2-variant
1. Ifodaning son qiymatini toping: 3 * 5 2 * 4 – 5 * 4 + 7
A. 287 B. 286 C. 285 D. 284 E.283
2. Qavslarni oching : a - ( b - ( c – d ) ) A. a-b+c-d B. a-b-c+d C. a+b-c+d D. a+b+c-d E. a-b-c-d
3. Qavslarni oching va soddalashtiring: 5x - ( 2y - 3x )
A. 2x-2y B. 8x-2y C. 8x+2y D. 2x+2y E. 10xy
4. Algebraik ifodani son qiymatini toping .
1) a + vs bunda a =1 v =2 s =3
A. 7 B. 8 S. 9
5. Tenglamani yeching : 3x – 5 = 11 - x
A. x=1 B. x=2 C. x=3 D. x=4 E. x=5
6. Tenglamani yeching : 6a = 216
A. a= 6 B. a=36 C. a=12 D. a=18 E. 1216
7. Tenglamani yeching.. 60x-(3x-57)=0
A. 1 B.-1 C.57 D. 64
8. (a-3B) / (a+3B). algebraik ifodaning son qiymatini toping, bunda a= 4, b= -2
A. 2 B. 5 C.-5 D. -2 E.4
9. O’xshash hadlarni ixchamlang: x - 2y - 3x + 5y
A. 4x-7y B. 4x+7y C. 3y+2x D. 3y-2x E. 2x-7y.
10. Ifodani soddalashtiring: 4(2 + x) - 3(1 + x)
A. 11+7x B. 11+x C. 11-x D. 5-x E. 5+x
11. Tenglamani : 55,31+a+41,69 = 123,021.
A. 66,021 B. 56,021 C. 26,021 D.16,021 E. 36,021.
12. To’g’ri to’rtburchakning bo’yi 8sm ga teng Eni bo’yidan 1,5 sm qisqa.Uni yuzini toping.
A. 56 sm2 B. 54sm2 C. 52sm2 D. 50sm2 E. 48sm2
13.Kasrlarni umumiy maxrajga keltiring:
A. B. C.
14. “Тiko” rusumli avtomobil 100 km masofaga 5 litr benzin sarflaydi. Bu avtomobil 50 km. masofaga qancha benzin sarflaydi.
A. 7,5 B. 2,5 S. 6,5
15. A, B, C nuqtalar bir to’g’ri chiziqda yotadi. Agar AB =28 sm, AC = 12 sm bo’lsa, BC kesma uzunligini toping?
A. 26 sm B. 40 sm C. 22 sm D. 16 sm E. 14 sm.
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