Ko'phadlarni qo'shish va ayirish — 7-sinf Algebra test savollari

Bu mavzuda 15 ta test savoli bor. Quyida 10 ta namuna — to'liq test va javoblar kaliti ro'yxatdan o'tgandan keyin ochiladi.

1. $(3 x^{2} - 2 x + 5) + (x^{2} + 4 x - 7)$ yig'indini toping.
- A) $4 x^{2} + 4 x - 2$
- B)- $4 x^{2} - 2 x + 2$
- C) $4 x^{2} + 2 x - 6$
- D) $4 x^{2} + 2 x - 2$
2. $(2 a^{2} - 3 ab + b^{2}) - (a^{2} - ab + 2 b^{2})$ ayirmani toping.
- A) $a^{2} - 2 ab - b^{2}$
- B) $a^{2} - 2 ab - b^{2} - 2 b$
- C) $a^{2} - 2 ab + 2 a - b^{2}$
- D)- $a^{2} + 2 ab + b^{2}$
3. $(5 x^{3} - 2 x + 1) - (3 x^{3} - x^{2} + 4)$ ayirmani toping.
- A)- $2 x^{3} - x^{2} + 2 x + 3$
- B) $2 x^{3} + x^{2} - 2 x - 3$
- C) $2 x^{3} + x^{2} - 3$
- D) $2 x^{3} + x^{2} - 2 x - 7$
4. $(- 2 x^{2} + 3 x - 4) + (x^{2} - 5 x + 6)$ yig'indini toping.
- A) $2 - x^{2}$
- B) $x^{2} + 2 x - 2$
- C)- $x^{2} - 2 x + 2$
- D)- $x^{2} - 2 x - 2$
5.(4a - 3b + c) - (2a + b - 3c) ayirmani toping.
- A)2a - 6b + 4c
- B)4a - 4b + 4c
- C)2a - 4b + 4c
- D)-2a + 4b - 4c
6. $(x^{2} + 2 x) + (3 x^{2} - x)$ yig'indini toping.
- A) $4 x^{2} + x - 4$
- B)- $4 x^{2} - x$
- C) $4 x^{2} + 3 x$
- D) $4 x^{2} + x$
7.(3a - 2b) - (a - 5b) ayirmani toping.
- A)-2a - 3b
- B)2a + 3b - 4
- C)2a + b
- D)2a + 3b
8.(2x - 3) + (5x + 7) yig'indini toping.
- A)7x + 4
- B)9x + 4
- C)7x
- D)-7x - 4
9. $(4 x^{2} - x) - (2 x^{2} + x)$ ayirmani toping.
- A)- $2 x^{2} + 2 x$
- B) $2 x^{2}$
- C) $2 x^{2} - 2 x - 4$
- D) $2 x^{2} - 2 x$
10.(a + b) + (2a - 3b) yig'indini toping.
- A)3a - 4b
- B)3a - 2b - 4
- C)3a - 2b
- D)5a - 2b

«Ko'phadlarni qo'shish va ayirish» bo'yicha barcha 15 ta savolni javoblari bilan oling: Test Generator ularni variantlarga bo'ladi, DTM titulida chop etadi va javob varaqalarini rasm orqali tekshiradi.

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Ko'phadlarni qo'shish va ayirish — 7-sinf Algebra test savollari

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