MCQ
Find the missing values: $52 + (53 + 55) = (..... + ......) + 55$
- A$55, 52$
- B$55, 53$
- ✓$52, 53$
- D$52, 52$
✓
Answer
Correct option: C.
$52, 53$
Addition is associative for whole numbers. i.e. $a + (b + c) = (a + b) + c$
$\therefore 52 + (53 + 55) = (52 + 53) + 55$
$\therefore$ The missing terms are $52, 53.$
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