Example 1. Find the value of - ( - 857 ).
Answer: 857
Example 2. Find the value of + ( - 543 ).
Answer: - 543
Example 3. Find the value of - ( 123 ).
Answer: - 123
Example 4. Find the value of + ( 11 ).
Answer: 11
Q. Find the value of: [Mark: 1/2 each ]
Example 5. Find the value of - 45 - 65.
Answer: - 110
Q. Find the value of: [Mark: 1 each ]
Example 6. Find the value of - 62 - 47 - 12.
Answer: - 121
Q. Find the value of: [Mark: 1 each ]
Example 7. Find the value of - 43 + 25.
Answer: - 18
Q. Find the value of: [Mark: 1 each ]
Example 8. Find the value of - 25 + 43 + 17 - 18 - 7 + 4.
Answer:
- 25 + 43 + 17 - 18 - 7 + 4
= 43 + 17 + 4 - 25 - 18 -7
= 64 - 50
= 14
Q. Find the value of: [Mark: 2 each ]
Q. Fill in the blanks: [Mark: 1 each ]
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