1. Ko‘phadlarning algebraik yig‘indisini toping: (5a²–11ab+8b²)+(–2b²–7a²+5ab)
A) –2a²–6ab+6b²
B) 2a²+6ab+6b²
C) –2a²–6ab–6b²
D) –2a²+6ab+6b²
E) 2a²–6ab–6b²

2. Ko‘phadlarning algebraik ayirmasini toping: (17a+12b–14c)–(11a–10b–14c)
A) 6a+22c
B) 6a+22b
C) 6b+22c
D) 6a–22c
E) 6a–22b

3. Ko‘phadlarning algebraik yig‘indisi(ayirmasi)ni toping: (4a²–2ab–b²)–(–a²–2ab+b²)+(3a²–ab+b²)
A) 6a²+b²–2ab
B) 2a²+2b²–ab
C) 8a²–b²–ab
D) 4a²+2b²–2ab
E) 6a²–2b²–ab

4. Ko‘phadlarning algebraik yig‘indisi(ayirmasi)ni toping: 4,3x–(5,2x²+3,4x³–0,8x⁴)–(0,8x⁴+1,6x³–4,2x²+4,3x)
A) x²–5x³
B) –x²+5x³
C) x²+5x³
D) –x²–5x³
E) –2x²–5x³

5. Ko‘phadlarning yig‘indisi va ayirmasini toping: 0,1x²–0,02y² va –0,17x²+0,08y²
A) –0,08x²+0,06y²; –0,27x²–0,2y²
B) 0,07x²–0,06y²; –0,27x²+0,1y²
C) –0,07x²–0,06y²; –0,27x²–0,1y²
D) 0,07x²+0,05y²; 0,27x²+0,1y²
E) –0,07x²+0,06y²; 0,27x²–0,1y²