Question

7. Simplify the following.

5-[8 - {16+ (21 × 3-6-3)}]
8- [8 - {8-(8-8-8)}] 4 of {(12× 5+3 - 4) ÷ 4}
3a - 2b + 15a2÷5a + 4c - 2a

answers : -53, 0 ,92, 4a.
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Answer 1

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