Answer:
1. {5 + [6 + 8 ( 8 - 7)]}
{5 + [6 + 8 × 1]}
{5 + [6 + 8]}
{5 + 14}
2. 5 + (7 × 2)
5 + 14
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Answer:
1. {5 + [6 + 8 ( 8 - 7)]}
{5 + [6 + 8 × 1]}
{5 + [6 + 8]}
{5 + 14}
= 19
2. 5 + (7 × 2)
5 + 14
= 19