Question

Answer this question

Answer 1

Answer:

Okk.....

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Answer 2

12.4 is the answer of this question

=2[15-{2.6+2(7-12.7)}]

=2[15-{2.6+2×(-5.7)}]

=2[15-{2.6-11.4}]

=2[15-8.8]

=2×6.2

=12.4 ans.