MCQ
For any three rational numbers $a, b$ and $c, a + (b + c) =$ _________.
- ✓$(a + b) + c$
- B$(a + b) - c$
- C$(a - b) + c$
- D$(a - b) - c$
✓
Answer
Correct option: A.
$(a + b) + c$
$(a + b) + c$
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