TEST (7- sinf, Matematika)
1-variant
1. Тo’g’ri to’rtburchakning bo’yi 8 sm ga teng. Eni bo’yidan 1,5 sm qisqa. Тo’g’ri to’rtburchakning yuzini toping .
A) 50 sm2 B) 60sm2 C) 52 sm2 D) 42 sm2
2. Tenglamani yeching: (20x-8) : 2 = 11x
A. x=0; B. x=-4; C. x= -1; D. yechimga ega emas
3. (3x+2)∙4 + (2x-1) ∙2 ifodani soddalashtiring va x=2/16 da son qiymatini toping.
A) 5 B) 8 C) 9 D) 18
4.Ikki sonning yig’indisi 70 ga teng. Birinchi son ikkinchisidan 2,5 marta kichik. Bu sonlarni toping.
A. 10 va 60 B. 30 va 40 C. 15 va 55 D) 20 va 50.
5. Birhadni darajaga ko’taring. ( b2c3)4
A. 8/9 b2c3 B. 8/27 b6c9 C 16/81 b6c7 D) 16/81 b8c12
6. Tenglamani yeching. 3(x-2) – 9x = 0
A. 1 B. -1 C. - D. 0
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