2 карточка 1. c + (a + b) 2. c (a + b) 3. c- (a - b) 4. -c - (-a + b) (c-c 5. (a - b) – (c – d) 6. (a - b) + (c - d) 7. x - (a - b) + (c - d) 8. c- (a - b) - (c + d)

2 карточка

• 1. c + (a + b)
• 2. c (a + b)
• 3. c- (a - b)
• 4. -c - (-a + b)
• 5. (a - b) – (c – d)
• 6. (a - b) + (c - d)
• 7. x - (a - b) + (c - d)
• 8. c- (a - b) - (c + d)