1. Tenglamalar sistemasini algebraik qo‘shish usuli bilan yeching:
A) x = 1, y = –0,5
B) x = 0,5, y = 1
C) x = –0,5, y = 1
D) x = 1, y = 0,5
E) x = –1, y = –0,5

2. Tenglamalar sistemasini algebraik qo‘shish usuli bilan yeching:
A) x = 3, y = 4
B) x = 2, y = 7
C) x = 7, y = 2
D) x = 4, y = 3
E) x = 6, y = –4

3. Tenglamalar sistemasini algebraik qo‘shish usuli bilan yeching:
A) x = 11, y = 5
B) x = –11, y = 5
C) x = 5, y = 11
D) x = 5, y = –11
E) x = –11, y = –5

4. Tenglamalar sistemasini yeching:
A) x = 2 y = –3
B) x = 3, y = 2
C) x = –2, y = 3
D)
E) x = 3, y = –2

5. Tenglamalar sistemasini algebraik qo‘shish usuli bilan yeching:
A) x = 5, y = 3,5
B) x = 4, y = 5
C) x = 4,5, y = 3
D) x = 0,5, y = 5
E) x = –5, y = 4,5