Question
Using brackets, write three pairs of numbers whose sum is 13. Use them to write three equalities.
✓
Answer
(7 + 6), (8 + 5), (9 + 4). since 7 + 6
= 13,8 + 5
= 13, 9 + 4
= 13.
= 13,8 + 5
= 13, 9 + 4
= 13.
(7 + 6)
= (8 + 5), (7 + 6)
= (9 + 4) or (8 + 5)
= (9 + 4).
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