Question

[5° (7° +8° – 9°)] =
a) O
b) 1
c)-1
d) 2
​

Answer 1

Answer:

[ 5°(7°+8°-9°)] = 1(1+1-1)]=1×1=1 here's the answer

Answer 2

Answer:

=. [5(7+8)-9)]

=. (7+8)=15

=. 15-9=6

=. 6-5=1

Step-by-step explanation:

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