Question

i) 7 + 4 - [3 - {1+2-(4-9)}] using the Bdmas rule​

Answer 1

Answer:

16

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

7+4-[3-{1+2-(4-9)}]

=10-[3-3-4+9]

=10-3-3+4-9

=10-6+4-9

=-1