3 9-[5 4-{2 9-(1 6-7 8-3)}] answer of this question is -1 8 plzz show me working first solve - Maths - Rational Numbers

Question

​3 9-[5 4-{2 9-(1 6-7 8-3)}]
answer of this question is -1 8 plzz show me working
first solve underline digits it is compulsary

Neha Sethi · Accepted Answer

Dear student
Given, 3 9-5 4-2 9-1 6-7 8-3=3 9-[5 4-2 9-1 6-4 8]=3 9-[5 4-2
9+3 2]=3 9-[5 4-6 1]=3 9+0 7=4 6
Please write your question properly, not able to understand the
meaning of underline
Regards

​3.9-[5.4-{2.9-(1.6-7.8-3)}] answer of this question is -1.8 plzz show me working first solve underline digits it is compulsary.

3.9-[5.4-{2.9-(1.6-7.8-3)}]
answer of this question is -1.8 plzz show me working
first solve underline digits it is compulsary.